Fixes for Guard again

Fixes @options holding the merged values from previous calls to
Don't exit on Teaspoon::RunnerException

Currently running Teaspoon with guard will break if there is a syntax error in a Coffeescript file. The runner will throw an Teaspoon::RunnerException which will abort and exit. Ideally it would report the tests as a failure and log the problem to be fixed.
Updating output_path
Correcting output_path
Update Readme. 

Report that Spring is available
Merge pull request #194 from alejandrobabio/master

Update Readme.
includes alternate projects in readme. [ci skip]
Cross-Platform which method do not return a directory as valid result
Improve boot_require_js to load spec_help as a dependency
some nice badges
Merge pull request #201 from phoet/patch-1

some nice badges
fix gem issue.
another gem version bump.
adds spring.
updates readme to reflect that 0.8 was released.
Merge pull request #196 from halan/master

Load spec_helper synchronized with specs (when using AMD)
Merge pull request #195 from yannlugrin/fix_which_and_directory

Cross-Platform which method do not return a directory as valid result
Merge pull request #190 from chrisnicola/master

Fixes for Guard again
Merge pull request #193 from hlascelles/Fixing-output_path

Fixing output path
Added a small selenium section to the README
resolves modeset/teaspoon#203