Change main tag of bower.json to include specific distributed .js and .css files per bower spec: https://github.com/bower/bower.json-spec
Fix null pointer/'TypeError: Cannot read property 'length' of undefined' error when editingValue is null/undefined.
Automatically go into editing mode when receiving focus.  Add ui-keypress directive to leave editing mode upon receiving enter.

Add new placeholder option to show a placeholder in the display and input field when value is empty.  Example usage:
<span editable-text="firstName" placeholder="[First Name]"></span>
Merge pull request #1 from mmaday/master

Bug fixes and new placeholder feature