Updated table styles

* Invert text color for selected table row
* Highlight matched substring with yellow background (matches style of Xcode's "Open Quickly..." menu)
Select first entry automatically
Fix crash when selecting non-matching query
Extracted table color attributes
Merge branch 'master' of github.com:markohlebar/Peckham

Conflicts:
	MHImportBuster/Classes/Views/MHImportListView.m
Merge pull request #26 from allewun/master

Minor UI improvements and a bugfix