Travis: add Blackberry. Improve Blackberry out-of-box compile.
Add a headless switch to b.sh.
Quieter cmake.
Stop it spamming ' -- Installing' messages. We know it is installing assets.
Also make travis a bit quieter.
Merge pull request #4663 from xsacha/master

Travis: add Blackberry. Improve Blackberry out-of-box compile.
Travis: Remove some redundant env's for Blackberry.
Reinitialize the GE on sceKernelLoadExec().

Mostly, reset the lists and draw completion, etc.

May be required for Capcom Classic Collection Reloaded to work.
Merge pull request #4667 from unknownbrackets/gpu-thread

Reinitialize the GE on sceKernelLoadExec()