Update sinatra example app to use SM prefix
Relax sprockets requirements a bit
Expose Opal.current_file
Support ERB and Haml processors
Take ‘..’ in account while normalizing paths
Reimplement require_relative in terms of require

Example: require __FILE__ + '/../' + 'relative_file'
Remove debug code
Bump version to 0.7.0.beta1
Allow Server.sprockets to be set as initializer option
current_file is not needed anymore
ARGF.file has no #path method
Add inch CI configuration
Use inch-CI badge for api docs
Bump version

Just to have clear distiction in local development.
Fill $1,$2,… in Regexp#=~

ref #128
WIP