authentication is completed to force the generation of a user log, fixed
method descriptions, use Log::unauthMessageCache for all unauthenticated
users, fixed ZLog dependency in PrintWBXML, removed
ZLog::RequestHeaders(), removed ZLog::SetSpecialLogUsers(), removed
ZLog::EnableDeviceLog().

Released under the Affero GNU General Public License (AGPL) version 3.

Merge branch 'develop' of https://stash.z-hub.io/scm/zp/z-push into feature/ZP-972-allow-backends-enable-device-or-user-logs

Merge pull request #401 in ZP/z-push from feature/ZP-968-retest-ics-exports-delete-for-all to develop

* commit '4994dd57':
  ZP-968 Execute check on state usage only on ZCP versions before 7.2.3. Nothing changes for systems without ZCP/KC as the check is executed as before.
  ZP-968 Revert "ZP-968 Partially undo changes of commit aeab7567. This prevents access to the volatile state to check if the state was already used."
  ZP-968 Use 0x80000 flag when setting up exporter in Ping.
  ZP-968 Partially undo changes of commit aeab7567. This prevents access to the volatile state to check if the state was already used.

Merge pull request #419 in ZP/z-push from bugfix/ZP-1096-checkmapiextversion-throws-warnings to develop

* commit '1c91cd2e':
  ZP-1096 Check for mapi externsion first and fail early.

Merge pull request #396 in ZP/z-push from bugfix/ZP-672-options-without-authentication-info to develop

* commit 'b53d0252':
  ZP-672 Also authenticate Option requests.
  ZP-672 Always require authentication info.

Released under the Affero GNU General Public License (AGPL) version 3.

Merge pull request #410 in ZP/z-push from bugfix/ZP-1086-encode-globalobjid-in-meeting-requests to develop

* commit '36fd27d9':
  ZP-1086 Encode GlobalObjId in meeting requests depending on calendar item existance.

* commit '76943664':
  ZP-1085 Merged ServiceUnavailableException from develop and updated header.
  ZP-1085 Fix whitespace.
  ZP-1085 Fixed TRADEMARK file enconding (UTF-8).
  ZP-1085 Update file headers.
  ZP-1085 Update file headers.
  ZP-1085 Updated LICENSE and added TRADEMARKS file.

Released under the Affero GNU General Public License (AGPL) version 3.

Merge pull request #412 in ZP/z-push from bugfix/ZP-1074-update-link-to-compatiblity-list to develop

* commit 'e42dcb75':
  ZP-1074 Updated compatiblity link in config.

header.

Released under the Affero GNU General Public License (AGPL) version 3.

Merge pull request #415 in ZP/z-push from feature/ZP-1093-add-service-unavailable-exception to develop

* commit '749311a1':
  ZP-1095 Use ServiceUnavailableException when Kopano is unavailable.
  ZP-1093 Added ServiceUnavailableException to class loader, updated config description, don't show legal information if service is unavailable, check if config value is greater than zero, throw ServiceUnavailableException if states need to be upgraded.
  ZP-1093 Add service unavailable exception. Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

config description, don't show legal information if service is
unavailable, check if config value is greater than zero, throw
ServiceUnavailableException if states need to be upgraded.

Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

Merge pull request #413 in ZP/z-push from bugfix/ZP-1090-use-ping-higher-bound-when-available to develop

* commit 'fc0154c2':
  ZP-1090 Use PING_HIGHER_BOUND_LIFETIME when available for the default ping lifetime. Released under the Affero GNU General Public License (AGPL) version 3.

* commit '357a7acf':
  ZP-1091 Fix phpwarnings and clean code. Released under the Affero GNU General Public License (AGPL) version 3.

Merge pull request #417 in ZP/z-push from feature/ZP-1092-extend-z-push-admin-fixstates-to to develop

* commit 'bb01765e':
  ZP-1092 Have fixstates also fix the parentid of additional folders.

Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

ZP-1091 Fix phpwarnings and clean code. Released under the Affero GNU General Public License (AGPL) version 3.

ZP-1093 Add service unavailable exception. Released under the Affero GNU General Public License (AGPL) version 3.

ZP-1090 Use PING_HIGHER_BOUND_LIFETIME when available for the default ping lifetime. Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

Merge pull request #411 in ZP/z-push from bugfix/ZP-1089-regexp-for-database-name-should-check to develop

* commit '63c21881':
  ZP-1089 Regexp for database name should check the whole name.

Merge pull request #409 in ZP/z-push from bugfix/ZP-1072-open-shared-folders-api-add-folders to develop

* commit '20274822':
  ZP-1072 Step into matched folders outside the main loop.
  ZP-1072 Keep folderid as additionalFolders key in ASDevice.
  ZP-1072 fixed typos and comments.

Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

item existance.

Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

Released under the Affero GNU General Public License (AGPL) version 3.

Merge pull request #407 in ZP/z-push from bugfix/ZP-1088-foldersync-does-not-find-changes to develop

* commit 'd598f806':
  ZP-1088 Compare typesafe, remove unsed code.

Merge pull request #406 in ZP/z-push from feature/ZP-1072-open-shared-folders-api-add-folders to develop

* commit 'bc86a936':
  ZP-1072 Save different parentids in ASDevice->AddAdditionalFolder(), consider parentid when checking for duplicate names (may not occur in the same folder), order folders correctly, transport parentids when building SyncObjects for FolderSync.

Merge pull request #408 in ZP/z-push from bugfix/ZP-1059-add-mbstring-dependency-to-packages to develop

* commit 'df1d7e19':
  ZP-1059 Detect Ubuntu 16.04 and add php-mbstring as dependency.