injectContentIntoFile throw error msg if regex fails.

- Issue #10.
add .gitkeep to all directories by default
Added methods to extract correct css file extension.
no-resource is working with css only.. need to make methods more generic.
Merge branch 'master' of github.com:Nemo64/em into Nemo64-master
Refactored methods for getting css extensions and began adding support
for config file
Refactored file extension methods and began
adding support for .em/config file
No need for config generator: removed. Config file now
being dynamically generated
Added beginning stages of dynamic config file plus refactored
one of the methods for dealing with retrieving file extension
config_data.js is reading from .em/cofig.json
pulled in latest
Added full css .em/config.json support
Added ability to add alternative html and javascript.
Removed flags.
added readme animated gif example
uploading animated gif
coffee views are now correctly rendered
Added proper view name for coffee files
Fixes to .coffee view
Merge pull request #1 from afuggini/config

Corrections to .coffee view template
updated README.md and removed gif image