[int_bnd_test] fixed forgotten rename of an optional parameter
move conditionally used imports to conditional pieces of code
[fargo_test] fixed comment after #endif
[pcg] improved formatting for large norm reductions
removed trailing spaces
QA
[refinement_update] explicitly convert reals to int when doing comparison with ints
[compilers/lothlorien_F19.in] updated configuration for Fedora 19 on lothlorien
[lothlorien] updated compiler configuration
Merge pull request #53 from gawrysz/cosmetics

Cosmetics
Merge remote-tracking branch 'origin/master' into fargo_AMR