Revert "Fix typos in action labels"
Revert "Fix typos in action labels"

This reverts commit 5252b87d11f3079fb1cc9be4752cb0fd19083434 and also
corrects wrong case in corresponding tooltip. As Markus Keller pointed
out serial comma is ok in English and the change removing it wasn't
covering all occurrences of this text.

Bug: 358614
Change-Id: I6e734fee83ddbb2b7c90132d486ff71c0830635d
Signed-off-by: Matthias Sohn <446760a3fbea85cd5f8f4f5c3de304fe3a38014f@sap.com>
wdliu/egit,mdoninger/egit,paulvi/egit,chalstrick/egit,wdliu/egit,blizzy78/egit,SmithAndr/egit,collaborative-modeling/egit,collaborative-modeling/egit,SmithAndr/egit,paulvi/egit