Add query example
Refine usage message of query example
Merge branch 'master' into query_example
Print values of all GLenums
Refactored architecture to support multiple values per GLenum
Prepare queries example for result groups, filtering and sorting
Alphabetical grouping
Reenable constants from group C
Dynamic constant queries
Reenable constants from group D
Reenable constants from group E, F, G, H and I
fix msvc warnings
Reenable remaining constants in queries example
revisit queries example
Merge branch 'query_example' of github.com:hpicgs/glbinding into query_example

Conflicts:
	source/examples/queries/main.cpp
	source/examples/queries/printfunctions.h
split examples into examples and tools, refine queries example
refine alignment in queries main
minor changes
add queries code gen basis (sry for excel)
Add more data to the table for code generation.