Change to GNU Lesser General Public License, and SU2 v2.0.7
Removing math_ad
More updates in the branch structure
Updated screen output
Reformatted solver
Now have full SA extra output features
Minor fix in the license
Fixed bug in outputting velocity gradients
Merge branch 'master' of http://github.com/su2code/SU2

Updating the output
Changed CSysVector changed from const unsigned long to const unsigned int
Changed all of CSysVector, not just getter and setter methods
CTransLMSolver had a variable as an int which should have been an unsigned long
Changed a bunch of CGridAdaptation to be unsigned long rather than int
Revert "Changed a bunch of CGridAdaptation to be unsigned long rather than int"

This reverts commit f2fc1fe4a578c89aebb09177b38458553367f965.
Merge branch 'master' into feature_transition

Conflicts:
	SU2_CFD/include/numerics_structure.hpp
	SU2_CFD/include/numerics_structure.inl
	SU2_CFD/src/definition_structure.cpp
	SU2_CFD/src/numerics_direct_transition.cpp
	SU2_CFD/src/numerics_direct_turbulent.cpp
	SU2_CFD/src/solver_direct_transition.cpp
	SU2_CFD/src/variable_direct_plasma.cpp
	SU2_PY/parse_config.py
Used a #include to recover pow_d() for transition