IDEX-495: add project header.
IDEX-460: load IDE styles before standard GWT ones.
Merge with master.
IDEX-495: add toolbar separator.
Merge with master.
IDEX-495: fix project header privacy image.
Merge with master
Merge pull request #84 from codenvy/IDEX-495

IDEX-495: add project header and load IDE styles before standard GWT ones.