Switch to WebMock for future proofing

Since FakeWeb is aparently deprecated for VCR 3.0 and beyond, switch to
WebMock for future proofing.
adding cli functionality for stash files
Delete bob.rb

accidentally added to commit.
saving to dropbox
Merge pull request #61 from mattdbridges/switch-to-webmock

Switch to WebMock for future proofing
Add open to command line options for visiting http://www.exercism.io
Merge pull request #81 from whatasunnyday/open-exercism-io

Add open to command line options for visiting http://www.exercism.io
Extract JSON requests to helper method
Refactor CLI-submission logic

This extract common logic into a helper method, `monitored_request`.
Fix compatibility with Ruby 1.8.7
Extract `monitored_request` into CLI helper
Change bin/exercism to only rescue `StandardError`
Merge pull request #82 from KevinSjoberg/refactor-submissions

Refactor submissions
Bump version
Added stash class for subcommands, so the cli now has stash apply and stash save for working with stash files. Also added stash list command to retrieve list of all stash files.
Merge branch 'master' into add_stash
Merge branch 'add_stash' of http://github.com/kevinml/exercism into add_stash
Merge pull request #71 from kevinml/add_stash

Adding CLI functionality to stash submissions for later use
merging in master, resolved conflicts