set initial disk image.

fix leak during memory shutdown.

move input polling to retro_run.

Libretro: send CoreThread.Pause() events to the SysExecutorThread.

should help with deadlocks.

Start of a new development branch

Release of stable version 1.4

first release candidate of version 1.4

tag v1.3.1: fully superficial to align consumers of the version

1.2.x: cherry pick r5888 from trunk

git-svn-id: http://pcsx2.googlecode.com/svn/branches/1.2.x@5896 96395faa-99c1-11dd-bbfe-3dabce05a288

GSDX: Just correcting some typo's

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5875 96395faa-99c1-11dd-bbfe-3dabce05a288