Update release procedure
Remove Hspec's own specs from docs

We have tests for lot's of internal stuff, so I don't think this is that
useful anymore.
Fix typos in docs
Minor refactoring
Update docs
fix typo in hspec-discover doc
Merge pull request #199 from raine/patch-1

Fix typo in hspec-discover doc
Add Raine Virta to list of contributors
Use Spec.hs instead of Main.hs in docs for now (see #198)
Split package into `hspec-core`, `hspec-discover` and `hspec`
Add top-lever .ghci
Add link to blog post by @begriffs
Add link to blog post by @alpmestan to docs
Add hspec-contrib with retryWith-function
Runt tests for hspec-contrib on travis
Remove unnecessary language pragmas
Add @junjihashimoto to list of contributors
Add link to `hspec-checkers` by @soenkehahn
Minor documentation change
Add link to hspec-attoparsec by @alpmestan