resolve issues with FindGUROBI, gdsdb, and compile errors

bug fixes to CMake and verilog parsers

extend verilog parser to support module declaration with pin directions

coloring algorithm supports stitches;\nreplace boost::iostream with i…

…ntegrated gzstream;\nimproved robustness for parsers

fix bugs in searching for lpsolve

fix boost link issues with cmake

add fPIC to compile

cmake system ready

generalized solver API for lpsolve and bug fixes to GDS and verilog p…

…arsers

bookshelf supports compressed gz files; static link fix in csdp