Add idea Factory. Add Idea spec tests
add login links and info to application.html file
add tags to database
add index show create destroy for tags
Merge pull request #3 from krietos/add_tags

Add tags
add crud functionality for format
Merge pull request #4 from krietos/add_formats

add crud functionality for format
update ideas model and spec
update ideas
Merge pull request #5 from moedu23/ideas

Ideas