Cleanup Rakefile

RIP @jimweirich
Add coveralls
Merge pull request #31 from fujimura/add-coveralls

Add coveralls
Filter out test directory from taking coverage

See: https://github.com/guillaume-nargeot/hpc-coveralls/issues/6#issuecomment-40213535
Merge pull request #33 from fujimura/ignore-test-dir

Filter out test directory from taking coverage
Add upper bound to temporary

https://github.com/batterseapower/temporary/pull/12
Use temporary-rc
Set lower bound of text
Bump version
Use temporary >= 1.2.0.3
Processes all files as ByteStrings rather than Strings, and only converts to text files which are being templated, so that non-textual files (ex. images) can be safely included in a template repo
Merge pull request #38 from timmytofu/use-bytestrings-only-textify-templates

Only convert template files to text to allow non-textual files to be included in a template repo
Add doctest to test-suite
Bump version
Use official version of temporary