Windows installation guide

Downloading via file_get_contents & creation of BAT file
removed composer download
Attempt user/pass authentication for git repos not on github
Store http auth creds by domain only
Look for Auth failed anywhere in errorOutput
Capture user/pass from 'git remote' when updating non github repo
Fixed typos
Fixed PHPDoc
Merge remote-tracking branch 'pborreli/typos'
Merge remote-tracking branch 'cloakedninjas/master'
Add setup instructions
Reorganize intro page a bit
Do not send an empty list of packages to the default policy, fixes #1259
Fix deletion of vcs dirs, fixes #1260
Fix windows setup instructions, fixes #1262
Update vendors
SvnDriver fixes
fixed a typo
Fixed library installer windows .bat generator
Fix var override, fixes #1061