Updating the debug output in neighbor.cpp
Update the DG example.
Add Refmap::is_element_on_physical_coordinates.
Modify .gitignores.
Fix warnings.
A gcc fix.
A gcc fix.
Fix bessel.cpp in hcurl-adapt for gcc.
Merge branch 'fixes' of github.com:mhanus/hermes

Conflicts:
	hermes2d/include/discrete_problem.h
	hermes2d/src/discrete_problem.cpp
	hermes2d/src/discrete_problem_linear.cpp
	hermes2d/src/weakform/weakform.cpp
Merge branch 'additions' of github.com:mhanus/hermes
Merge branch 'misc' of github.com:mhanus/hermes
Some OpenMP fixes.
Add set_type to Solution.
A check for type of ext functions and acting if == HERMES_SLN.

Further work NEEDED.
Memory leak fix in DG.
Deallocation type fix in Space.
Vectorizer memory leak fix.
Progress on DG.
Remove DG -> FVM optimization.
is_const = false in default HermesXDFunction constructor