Revert "removed spec/  at some point i will write tests"

This reverts commit 5eec756b874ca88d753f1e1cdc5eb195858ee6eb.
starting on tests. added required testing gems and created user model spec
added .travis.yml again, changed dummy database.yml and added built status to read me
added sqlite3 and mysql2 as development dependencies
removed sqlite3
Merge pull request #14 from blogr/testing

Started testing