add easyconfigs for libXfixes, fix list of dependencies for libXi
add fixesproto easyconfigs and use it as dependency for libXfixes
add xextproto as dependency for libXfixes
Merge pull request #495 from boegel/libXfixes

add easyconfigs for libXfixes, fix list of dependencies for libXi
Merge branch 'develop' into graphviz

Conflicts:
	easybuild/easyconfigs/l/libXi/libXi-1.7.2-goolf-1.4.10.eb
	easybuild/easyconfigs/l/libXi/libXi-1.7.2-ictce-4.1.13.eb