support multiple sanity check commands, run both Python and C++ version of DOLFIN demos as sanity check commands

fix easyblock specification in easyconfig files according to new class name encoding scheme (see #86)

Conflicts:
	easybuild/tools/filetools.py

86 encoding scheme

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>

run DOLFIN demos as a single sanity check command (took about 8 minutes on my laptop); running them as tests turned out to require too much fiddling around with getting the PYTHONPATH right

correct naming of classes for Python packages nose, numpy and scipy

Conflicts:
	easybuild/framework/application.py

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>