Update README.md
update README.md and info file description #1
add gitignore for PHPStorm metadata
restore original module name
Merge pull request #5 from baisong/master

Update documentation and info file description #1
rename from "Pinserver" to "Harvard PIN"
Merge pull request #6 from baisong/2-rename

rename from "Pinserver" to "Harvard PIN" #2
Updates in readme file
Updates in readme file
Updates in readme file
Updates in readme file