Update version to 10.2.2-1

Update version to 10.2.2-1
Remove patches which have been upstreamed or are redundant
Also remove 7.10.1-glean-quick.patch which wasn't used
GLU is now in it's own repository
Properly autotooled, so makedepend and lndirs is no longer required
libexpat1-devel is obsolete, superseded by libexpat-devel
Add needed patches for building
Include /etc/drirc to dri_drivers package
builtin_compiler should be working correctly when cross-compiling (untested)
Install files linked to in html documentation files