add hicolor icons

tower: https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/9013215438234694b27008a199825803/

Change-Id: I9fda686c1ecd20bd71d7ee77330c8f033f2673fc
auto sync po files from transifex

Change-Id: I64d4ce11b0aa68d55cf1226579f884dac6f800b3
Merge branch 'release/2014.2' into develop

Change-Id: Ie37e282d440be93a8b9a0ddb85a91753fff6b181