Scanner classes no longer need a `colorManager`

Updated codebase to comply with
scala-ide/scala-ide@SHA: 7d846dfdb40a0dd5c5f9ab6376931d1322ef0130
Changed shortcut for URI renaming in route editor

Changed the shortcut from ALT+SHIFT+R to CMD+ALT+R

Fix #144
Merge pull request #150 from jhaberstro/uri-rename-shortcut-#144

Changed shortcut for URI renaming in route editor
Merge pull request #153 from dotta/issue/scanner-classes-no-longer-use-colorManager

Scanner classes no longer need a `colorManager`