#Fix typo.
fix typo
Update help-installation.md

This should block access to the app folder (and configs located within). Unless there's a reason app needs to be accessed.

This is in response to #122
Improve docs on extending form and list behaviors
Merge pull request #48 from webdeli/master

#Fix typo.
Merge pull request #50 from grrnikos/master

fix typo
Merge pull request #52 from andrewelkins/patch-1

Update help-installation.md
Minor
Merge remote-tracking branch 'upstream/master'