plug editor helper and its test
inject into application and apply license headers to files added
fix issues url for generated issues and plug usage of editor helper in create issue command
fix class on test for EditorHelper
Merge pull request #48 from cordoval/12-gush-release-create-issue-create-etc-body-in-editor

This PR was merged into gushphp:master branch.

Discussion
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plug editor feature

                          
|Q            |A         |
|---          |---       |
|Bug Fix?     | you bet       |
|New Feature? |yes       |
|BC Breaks?   |no        |
|Deprecations?|no        |
|Tests Pass?  |yes i hope|
|Fixed Tickets|#12       |
|License      |MIT       |
|Doc PR       |na        |
                          

implements EDITOR feature for gush and all commands

Commits
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b15f5bd18181b811be2b12e5bc8162ba81845f6a plug editor helper and its test cordoval
f1798ed30e7b1335c184d0e1086d0ebee6e6d866 inject into application and apply license headers to files added cordoval
a0d6ef882ab65af005ae9fdaa9d471d0671dc19f fix issues url for generated issues and plug usage of editor helper in create issue command cordoval
be4749d3bebdc96566db57762dabdea293747436 fix class on test for EditorHelper cordoval