Fixed: conflict with ngRoutes

old method required all html to be loaded up front, which conflicted
with ngroutes. The new method of invoking the text area component, will
work with delayed loading of fragments, such as ngroutes.

Updated readme to make it clear that jquery must be loaded first.
Merge branch 'master' of https://github.com/codemwnci/markdown-editpreview-ng.js

Conflicts:
	lib/codemwnci/markdown-editpreview-ng.js