Fix markdown for spork-testunit link in README.md
Guard 1.1 compatibility

Bumped required guard version in gemspec. Also, renamed
Guard::Minitest#run_on_change to run_on_changes to eliminate deprecation
warning.
fixed markdown link typo
markdown typos
Merge pull request #1 from manewitz/patch-2

more markdown typos
Fix spaces
Update Guardfile template for Rails 4
Merge pull request #43 from sometimesfood/fix-spork-link

Fix markdown for spork-testunit link in README.md
Merge pull request #45 from statianzo/guard-1.1

Guard 1.1 compatibility
Merge pull request #46 from manewitz/patch-1

Fixed markdown link typo
Merge pull request #49 from itzki/rails4_template

Update Guardfile template for Rails 4
release 1.0.0.beta1
Clean code, update README and CHANGELOG
Disabling notification is done by Guard now