Added tips and tricks
Tips and tricks (minor corretion changes)
Tips and tricks (some more minor corretions)
Added "View Last Error" trick
Fixed markdown for "View Last Error" trick
use app as a shorter alias for Rails.application
Merge branch 'master' of git://github.com/DerKobe/better_errors into DerKobe-master
adjust wording, style
Merge branch 'DerKobe-master'