Upgrade to Scala 2.7.7.
Upgrade to Scala 2.7.7.

By upgrading Scala library we also upgrade compiler to 2.7.7.

Change-Id: Ib804423e68094622edecf5c64e9d9f172ec647c6
Signed-off-by: Grzegorz Kossakowski <bbec47209d89e7dc5d8f006e7151d7e32a4d9bf6@gmail.com>

gkossakowski/gimd