Default to using libGLESv2.so and libEGL.so, not full paths. Also fix upper/lowercase bug

Signed-off-by: Carsten Munk <carsten.munk@jollamobile.com>
Merge pull request #170 from stskeeps/defaultglesv2

Default to using libGLESv2.so and libEGL.so, not full paths. Also fix up...