fix description
[wscript] add support for both clang and gcc
add manual SPTKref-3.6.pdf
Add swipe interface to SPTK.h with breaking the original swipe api.
Note that 'make' using the original configure script won't work no longer.
[swipe] type change of samplerate: double -> int
Simplify wscripts
v3.6 -> v3.7
Resolve multiple definitions log_add (in lsp2sp and gmm)
Add src of hts_engine_API to wscript
Add swipe to SPTK.h with api breaking
Remove SPTK 3.6 reference
SPTK version update v3.6 -> v3.7
Merge branch 'c'

Conflicts:
	bin/wscript
	lib/wscript
	wscript
Back to c verson
Remove binaries
Merge branch 'master' into c-3.7

Conflicts:
	Makefile.in
	Makefile.mak
	aclocal.m4
	configure
	configure.ac
Remove makefile and configure script (waf only)
Update README