Removed TinySrc helper as the service itself no longer works. Resolves #206

If somebody uses nonfunctional service in his app, he probably won't upgrade Zend Framework.
Merge pull request #221 from mhujer/remove-tinysrc

Removed TinySrc helper as the service itself no longer works.
[#221] Make note in README.md

- detailing the removal
Merge branch 'hotfix/221'

Close #221