Added specs to Tip Model
Merge branch 'add-specs-to-tips' into new-site-integration
Add specs to application helper check_tip method.
Added a publication date to Tips model.

	- Added Database cleaner gem.
Deleted a line from tip_spec
Add new line to EOF to file.
Merge pull request #157 from insignia4u/add-published_at-to-tip-model

Add published at to tip model
Merge pull request #158 from insignia4u/new-site-integration

New site integration