Add codeblock hint that it's PHP

So we have color coded code samples
Add example of adding a new bug

To show how nested relationships work (like specifying which project it belongs to)
Merge branch 'master' of https://github.com/toecto/targetprocess-php-client into patch-4

Conflicts:
	README.md
Merge pull request #4 from manavo/patch-4

Add codeblock hint that it's PHP, and example of adding a bug