[cmake] removes WITH_AUTOTOOLS build mode
Merge remote-tracking branch 'origin/master'

Conflicts:
	CMakeLists.txt
	test/CMakeLists.txt
updated grid view/part usage (drop shared_ptr)
[test.linearelliptic-swipdg] do not use pdelab backend as fallback

We don't trust it, see tests in dune-gdt.
update grid layer usage
[linearelliptic.discretizations.swipdg] drop dune-pdelab backend as default

We do not trust it, see the tests in dune-gdt.
replace DS_OVERRIDE and DS_FINAL by override and final, respectively
Merge branch 'master' into OS2014
update headers (replace Albrecht -> Schindler)
[examples.linearelliptic.OS2014] update grid view usage
[exampels.linearelliptic.OS2014] add products to discretization
update headers (replace Albrecht -> Schindler)
[linearelliptic.discretizations.block-swipdg] please gcc
[linearelliptic.discretizations.block...] add list of products
Merge branch 'master' into OS2014
[examples.linearellipticOS2014] generalize example class
[examples.linearelliptic.OS2014] add OS2014Example
[examples.linearelliptic.OS214] generalize bindings generator
[examples.linearelliptic.OS2014] rewrite main
[examples.linearelliptic.OS2014] fix initial basis of 1