added ZF PR template
added both ZF template into TemplateHelper class
Merge pull request #91 from samsonasik/zf-template

This PR was merged into gushphp:master branch.

Discussion
----------

added ZF PR template

try adding template based  on https://github.com/zendframework/zf2-documentation/pull/1229 , @cordoval please let me know if i missed something

Commits
-------

b101f9603334fe2675ba12da4e1fd09386449448 added ZF PR template samsonasik
3591914229b51e322fb0b75701fcb63c1a15ebe3 added both ZF template into TemplateHelper class samsonasik