Update Khronos headers (adding GLES3)
lrwxrwxrwx 21 LICENCE -> SGIFreeSWLicB.2.0.pdf
-rw-r--r-- 504 README.chromium
-rw-r--r-- 1394 SConstruct
-rw-r--r-- 61086 SGIFreeSWLicB.2.0.pdf
-rw-r--r-- 6722 egl_stub.c
-rw-r--r-- 10840 entry_points
-rw-r--r-- 1243 gles2_stub.c.in
-rw-r--r-- 368 gles2_stub.h
drwxr-xr-x - include
-rw-r--r-- 0 inherit-review-settings-ok
-rw-r--r-- 4591 khronos_license.txt
-rwxr-xr-x 3990 mkstubs.py