Added ability to attach images to projects.
  --added public/uploads to git ignore file
  --made test to cover attaching image during project creation
updated travis yml
Updated travis yml
 - Change ruby versions from 2.0.0 and 2.1.0 to 2.0 and 2.1.
 - Fixes rvm ruby binary install issue on travis (https://github.com/travis-ci/travis-ci/issues/2220)
Added carrierwave setup file in initializers.
Updated rakefile to reflect minitest-rails recent changes and run tests/features by default.
Merge branch 'addImagesToProjects' of github.com:MartinJNash/RailsPortfolioProject into addImagesToProjects
Updated create project test to reflect actual experience.
Updated sign out test to use javascripts. Was previously getting an invalid authenticity token error.
Updated project deletion test to reflect that a user must have permission to do so.