Open Kilo development

Bump pre-version to 2015.1 to formally open master branch to Kilo
development.

Change-Id: Iab81e4ed62a35762017201341400a0883a95b73f
Exceptions get muted in Try-Finally

Re-raise exception if no Catch block is present (as in Try-Finally)

Change-Id: I6f1ad2ff48566ac45dbb3e391c7d583a43be24d5
Closes-Bug: #1377941