Moved folders common-libs, bioinfo-libs and math. #17
Added SConscripts to the 5 directories in c/src. #17
Fixed SConscript to compile all 5 libraries into libhpg.a #17
Improved SConstruct to build lib in c/build/. #17
Moved samtools, htslib and jansson to third_party. #17

jansson is not a submodule.
Moved sqlite to third_party. #17

Couldn't make the submodule work, so it's a plain copy.
also, moved jansson from libcommon.a to libbioformats.a.
Moved argtable and improved SConscripts. #17
Moved libconfig to third_party. #17
Final clean up of the refactoring. #17
Moved cprops to third party. refactoring: #17.
Fixed support to intel compiler. #17