fixed warning in mismatch.cpp
fixed warning in mismatch_binary_test
fixed clang bug in rotate
fixed error in 1d_hydro_upwind.cpp
fixed error in 1d_stencil_8
Merge remote-tracking branch 'origin/master' into fixing_clang_warnings
fixed error in 1d_stencil_4
Merge pull request #1235 from STEllAR-GROUP/fixing_clang_warnings

Fixing clang warnings and errors