Add travis CI config file and all the changes to make it compile there under both gcc and llvm clang

* various changes to make it compile with clang

* don't compile recompiler on linux yet but make the CMake build include asmjit already

* add experimental travis bot

* modify yml to match

* try to build and install wxWidgets, since it's not in the travis repo

* use newer cmake version for travis

* add keys with sudo

* use sudo for all apt- commands

* Add additional dependencies

* use version approriate gcc flags for c++11

* try clang, gcc too old

* set c++0x flag for clang

* use gcc 4.8

* use gcc 4.8 and add the repo for it

* use gcc 4.8 even for clang to get newer headers

* fix ambiguous conversions

* add lz from hykem and more explicit conversions from be for x86

* more switch disambiguation

* more switch disambiguation

* add additional unigned int casts to deal with be_t conversion ambiguity

* remove unnecessary clang flag

* add lz.cpp to vcxproj and cast to u32 instead of unsigned int

* correct temporaray #ifdefs