Added support for additional class paths and global class paths for find all references.

Now(Haxe): ![2014-05-17 00 58 19](https://cloud.githubusercontent.com/assets/1700940/3002574/29d19548-dd41-11e3-947b-69c98d553209.png)
Result: ![2014-05-17 00 58 27](https://cloud.githubusercontent.com/assets/1700940/3002596/79444508-dd41-11e3-82a1-ded7e7a5f79a.png)
Now(AS3): ![2014-05-17 00 58 56](https://cloud.githubusercontent.com/assets/1700940/3002584/567c6384-dd41-11e3-924c-539eb7774baf.png)
Result: ![2014-05-17 00 59 02](https://cloud.githubusercontent.com/assets/1700940/3002588/650d68e4-dd41-11e3-8858-f13c098f6e6b.png)

Result after fix(Haxe): ![2014-05-17 01 33 47](https://cloud.githubusercontent.com/assets/1700940/3002612/ce19d7b4-dd41-11e3-9844-55ecf8da9e58.png)
Result after fix(AS3) : ![2014-05-17 01 34 56](https://cloud.githubusercontent.com/assets/1700940/3002620/f3f77fe0-dd41-11e3-84d3-71fa499680f8.png)