remove gtags temp files
support ff-find-other-file
updated README
detect included directoryed by -isystem flag
support company-mode, upgraded to 0.3.0
support os clipboard
updated doc on how to use this package
version 0.3.1
minor typo in README
be compatible with org-mode

when triggered in org-export, the embedded C/C++ code while be hooked
up with c-mode or c++-mode, then cpputils-cmake will be called. but the
buffer-file-name is nil. So exception is thrown.
avoid regex to handle path name
updated README
updated wording in readme
add preprocess -D flags to company-clang-arguments
updated doc and version is 0.3.4 now
copy whole CXX_DEFINES/C_DEFINES into clang arguments
add hook and some doc
auto-complete-clang have more preprocess flags now
cpputils-cmake upgraded to 0.0.4
don't give up the build directory search too early