add getCommands method to fetch them via documentation generator loop

Conflicts:
	src/Gush/Application.php
trying to run the --format md on the generate_docu script
working now but not sure if the headers are right
Merge pull request #206 from cordoval/generate-docu

This PR was merged into cordoval:master branch.

Discussion
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generate docu for website

                    
|Q             |A  |
|-----------|------|                    
|Bug Fix?:     |n  |
|New Feature?: |n  |
|BC Breaks?:   |n  |
|Deprecations?:|n  |
|Tests Pass?:  |n  |
|Fixed Tickets:| #195   |
|License:      |MIT|
|Doc PR:       |   |
                    



Commits
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b0d02bd9d62ebd4afd936ca97214fd47cc54acb9 add getCommands method to fetch them via documentation generator loop

Conflicts:
	src/Gush/Application.php cordoval
84786ce56390bfc57815423b7b8ee19f54524e97 trying to run the --format md on the generate_docu script cordoval
a206b9bdb8d838cda3d66bd4fc66206a1221ec38 working now but not sure if the headers are right cordoval