Log Message:
Updated php55-baikal to 0.4.4.

0.4.4 (2016-03-30)
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* #517: Added the Sync plugin. Should speed things up and fix syncing bugs
  with Em Client.
* Ships with sabre/dav 3.1.2

0.4.3 (2016-03-23)
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* #513: Fixed error during installation, introduced with 0.4.2.
* Ships with sabre/dav 3.1.2

0.4.2 (2016-03-21)
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* #510: Fix PHP warning on fresh install.
* #507: Disable installer if Baikal was already configured.
* Ships with sabre/dav 3.1.2

0.4.1 (2016-03-17)
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* #506: Fix Sqlite upgrades from people that are upgrading from 0.2.7 or
  earlier.
* Ships with sabre/dav 3.1.2

0.4.0 (2016-03-15)
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* #472: If you were using Sqlite, Cal- CardDAV clients might have missed
  updates from the server.
* #482 / #490: Fix installation issue if Sqlite is not enabled. (@fabianwolf)
* #491: Added CalDAV Scheduling plugin.
* Added Property Storage plugin.
* Removed features related to locking the admin interface. This means that you
  no longer have to create the `ENABLE_ADMIN` / `ENABLE_INSTALL` files.
* Ships with sabre/dav 3.1.2