Initial porting to vala
Fixed threading issues with commit model
Added setting/getting repository of model
Added getting/setting include/exlude oids for model
Set sort mode before setting include/exclude

Setting the sort mode will reset the walker and thus would
undo setting include/exclude
Added virtual methods for started, update and finished
Added libgitg-gtk
Add most basic history view support
Increase default window size
Added r/g/b accessors for color
Updates to calculating lanes
Construct lanes while loading commit model
Fix tag and lanes for commit
Added refs_for_id to repository
Added RefState stored in ref
Added get/set working on ref
Added various classes for rendering lanes
Do not use Gitg inside namespace
Use GitgGtkCommitListView in history plugin
Fixed correct reftype for ref