add PLGPS for programe language
use ITGPS4.0.0 to integrate ITGPS2.0.0 and ITGPS3.0.3
use location.replace in javascript to redirection && simplify realize of header and footer
fix bug of 'Guide to Python' in PLGPS display unnormal
add some infor of src_manage site
add metro style gps
realize TextVersion
add SetHome Page to intro how to show set home