spring cleanup

removed some unfinished plugins
rake propagate task deletes files missing in English.lproj
cleanup, remove FileBrowsing.strings and TerminalLink.strings
added Labels plugin
Labels plugin related resources
propagate Labels plugin strings
French translation updates of 1.5.28
Merge pull request #379 from Yann-R/master

French translation updates of 1.5.28
Polish translation updates of 1.5.28
Merge pull request #380 from mrowiecm/master

Polish translation updates of 1.5.28
fix broken syntax of plugin/Polish.lproj/Labels.strings
context menu cut&paste buttons auto layouting

http://discuss.binaryage.com/t/mavericks-big-contextual-menu-window/441/10?u=darwin
update wording: Label Colors -> Colored Labels
propagated previous changes
Czech localization of Colored Labels
Update
Translated
One lapse
Merge pull request #381 from abajo/patch-41

Update
Merge pull request #382 from abajo/patch-42

Translated