Text edits.
UTF BOM was removed by brackets.
Rewrite urlstr.js

Start re-coding process.
Goal: generate DOM objects instead of HTML strings.
Rename urlstr.js to emobj.js .
Should use new function names.
Delete a JSLint trash.
Optimize chrome.storage stuff.

No need to repeat .get() twice.
Rename a function.

Rename getEmListObj() to getEmShowListObj().
It is used for showing the list of *selected* emoticons in content.
Minor adjustments.

Adjust code structure.
Add Chrome App and Feedback websites.