Add project model specs.
* Test for current_wordcount fails because it expects 2 errors instead of 1 - will revisit.
Update current wordcount test in project model spec to reflect 2 validations.
Merge pull request #31 from tiger-swallowtails-2014/MM_ES_project_model_spec

Add project model specs.
CF MERGE - Fix project model spec, add wordcount to Project factory, and fix project model validation on date.