Edit to properly render the Installation page
Corrected a link

The link was probably copy and pasted from above but never changed.
Corrected a typo
Added FAQ entry for file existance checking
Minor fix to /var/www setup instructions
Merge pull request #100 from daveslutzkin/master

Minor fix to /var/www setup instructions
Merge pull request #97 from IsoLinearCHiP/master

Corrected a link
Merge pull request #96 from ocha-/inst

Edit to properly render the Installation page
Merge pull request #99 from deiga/add-documentation-remote-file-exists

Added FAQ entry for file existance checking
little error fix
Merge pull request #101 from marocchino/error-fix

Little error fix about groups option
added documentation for capistrano-passenger