Icon Redux 02: Optimised Galaxy theme

Lossless optimisation of Galaxy PNG files. Saved ~20% overall.

QA- Inspect icons with Galaxy theme selected, using all aspects of the office suite. There should be no visible changes.

Change-Id: I41f17e06cea7acd729749a069fc0ab4f8fbc9630
Signed-off-by: Andrew <dent.ace@gmail.com>
Avoid inlining of bridge functions on Solaris / Intel.

Change-Id: Id047044f86ca358c40a87bebde84453787ccec6d