[feature] Added a way to retrieve synced accounts
Merge pull request #6 from SfietKonstantin/devel

[feature] Added a way to retrieve synced accounts
[bugfixes] Many fixes

This commit includes many fixes, like building libsocialcache
before building the QML plugin (fix a build error), and some
bugfixes for calendar database and image database.
Merge pull request #7 from SfietKonstantin/devel

[bugfixes] Many fixes