fix example eb files with respect to building shared libs being disabled by default

Conflicts:
	easybuild/build.py
	easybuild/tools/toolkit.py

add easyconfigs (with required patches) for Intel v11 and v12 compilers toolkits, and for HPL with ictce-4.0.6 toolkit

reuse cleanup from Application in IntelBase, clean home dir first, then remove build dir (refs #272)

Conflicts:
	easybuild/build.py