Merge 'lamvak's pull request' into lizardfs

Conflicts:
	.gitignore
	mfscgi/Makefile.am
Insert missing CGI_PATH
Fix CGI_PATH variable usage
Reply to lamvak's question in comment
Change names according to lizardfs's guidelines
Clean .gitignore

Conflicts:
	.gitignore
Fix future bug
Handcraft config.h.in

Disable config.h.in generation in CMakeLists.txt