adds code_snippet text column to projects table
code snippets are not an attribute of the projects table.
master altered forms that are relavant to this functionality.

Merge branch 'master' of https://github.com/dmill/gitfolio into adding-code-snippets
developer show page now lets you add code snippets
adds prettify files, unedited. manual install. no prettify files changed.
prettify now loads in application.css, overriding foundation when conflicted, but overwritten by custom css when conflicted
added method to githubdataloader module to return the content of a file from a github repo
adds spec for githubdataloader return file content method that will not pass until pull request is accepted
Merge pull request #33 from dmill/retrieving_files

Retrieving files
changes app name in readme
adds current smurf for sunday, as well as edits to project mission statement.
merge required for contiuing to work on form

Merge branch 'master' of https://github.com/dmill/gitfolio into adding-code-snippets
Individual projects now render either as images or as code snippets.
adds correct pretty print class to project page
Merge pull request #34 from dmill/readme-fixer

Readme fixer
Merge pull request #35 from dmill/adding-code-snippets

Adding code snippets
new method for githubdataloader module which returns all files in a particular repo for a specific user
tests githubdataloader return_all_file_names_and_paths method
Merge pull request #36 from dmill/retrieving_all_files_for_repo

Retrieving all files for repo
Adding project buttons to slider

* Project buttons navigate to their respective slides
* Minor cleanup edits to project form