Removing test unit as the testing framework
Setting the ruby version to 2.1.1
Updates dev dependencies and using rspec

This enables the debugger gem as well as setting the gem version for the
rmagick gem. Also adding the rspec gem as a test dependency
Initial commit - At least of the refactor

This contains a refactor of the image sorting and detail population. The
file sorter now takes a copy of the original files and places them in a
staging area. they are then renamed an put on the same top level.
Information surrounding the image properties is also populated as part
of this process.