Merge pull request #280 from Hamper/qt4

Qt4 backports
[urlpreview] fix settings
Merge pull request #282 from trett/qt4

[urlpreview] fix settings
Merge pull request #281 from Hamper/qt4

fix compile in LTS
Default value for affiliation and role
Merge pull request #290 from trett/qt4

Default value for affiliation and role
Fixed segfault at unit's priority change

Don't overwrite priority's value by unit's one if it's explicitly set by constructor's argument
fix fuckin fix for LTS
Merge pull request #291 from trett/qt4

fix fuckin fix for LTS
[Jabber] Fixed PGP initialization
[Submodules] Reversed submodules versions to correct one
[Jabber] Fixed JPGPSupport compilation errors
Release 0.3.2
Fixed compilation with the newest cmake
Merge remote-tracking branch 'upstream/qt4' into qt4