Merge pull request #3 from bcho/develop

added chrome extension
ignored pem
added Makefile
added gm2chrome
chaned convert script
removed grant script
fixed extension link
changed chrome path for compatibility
Merge pull request #4 from bcho/develop

added submodule gm2chrome
update submodule
fixed gm2chrome
Merge branch 'master' of github.com:bcho/gdut-library-helper
Merge pull request #43 from bcho/master

added submodule gm2chrome