Merge pull request #61 from Turpial/gtk3

Gtk3 migration
Merge pull request #62 from satanas/development

Fixed issues and added clickable hashtags
Merge pull request #63 from satanas/development

Implemented fullscreen mode and profile dialog
Merge pull request #64 from satanas/development

Fixed error opening hashtags
Turn off execution bits in file modes
Merge branch 'xakon-development' into development