Merge pull request #97 from sergiobenrocha2/master

Added authors, license and fix name in core info.
Add o2em
Add o2em compilation to libretro-build-ios.sh
fix single quotes in echo
Merge pull request #98 from l3iggs/quoteFix

fix single quotes in echo
(PSP/QNX) Add o2em compilation to PSP/QNX
Add O2EM core info file
reset changes made by check_opengl, per function
Merge pull request #99 from l3iggs/patch-1

reset changes made by check_opengl, per function
[Android] allow variable ABI targets
allow for variable NDK header version
[Android] refactor to use ABI target variable
(Android) prevent one ABI's build failure from impacting another
(Android) typo fix for NDK_NO_GL_HEADER_VER
Merge pull request #101 from l3iggs/patch-1

[Android] allow for variable NDK header version
Merge pull request #100 from l3iggs/master

[Android] allow variable ABI targets
Merge pull request #102 from l3iggs/patch-2

[Android] refactor to use ABI target variable
Fix l3iggs' syntax errors in libretro-config.sh
Fix another syntax error - l3iggs you really should have checked this
out before sending me a PR
Update libretro-fetch.sh - PPSSPP checks out submodules now