fix(numberFilter): fix formatting when "0" passed as fractionSize

When checking to add decimal and trialing 0s number filter used to check
trueness of fractionSize. "0" evaluating to true causes "123" to return "123."
fix(resource): Update RegExp to allow urlParams with out leading slash

Will allow reoucese to be loaded from a relative path
Example:
var R = $resource(':path');
R.get({ path : 'data.json' });

Example usage:
Load resources in applications not using webserver, ie local webapp in
on a tablet.
fix(compiler): Allow startingTag method to handle text / comment nodes
chore(reakefile): auto install npm packages
docs($parse): document function argument types, fix minor typo
fix($rootScope): minor typo fixes