[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
[streaming_global] removed unused variable kmid
[streaming_global] allowed multiple grids per process (WARNING: simulations with AMR_bsize set to 3*16 do not give identical output)
[streaming_global] added problem.par that crashes when run on 3, 6, 7, ...  processes and hangs on 5, 9, 10, ... processes
[fargo] impose additional restriction on AMR_bsize (not very effective, more like providing a warning
[fargo] moved fargo arrays from grid_container to cg_level_T
[streaming_global] removed unnecessary import
[cg_level_connected] introduced function find_level to find pointer to a level of given id
corrected intege kind
[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
[stream] removed unused argument from an unused routine :-)