Bumping version to the next development cycle
Support for Ember 1.8.1

Get ride of component registration via helper, this supports Ember 1.8.1 and make components support bindings when
component property is bound (such the new way to receive errors), {{em-input error=someProperty}}
(see 'wrapping components' in docs for more info)

Closes #40, #58
Merge branch 'master' of https://github.com/indexiatech/ember-forms
0.4.0 version

Compatibility with Ember 1.8.1
Preparing to the next iteration.
Merge branch 'master' of https://github.com/indexiatech/ember-forms