Added :bitbucket as a new :git source
Using HTTPS instead of SSH
don't warn about sudo on windows

fixes #2984
Use cached_path for built-in gems if the gem exists locally
Added the test to check if install --local doesn't fetch specs remotely
Reorder options alphabetically
print path to rubygems checkout

[ci skip]
Merge pull request #3000 from gjaldon/reorder-options

Reorder options
minor readme cleanup

[ci skip]
shell escape bundle open args :O
editor might need shell parsing
had no idea that in-array splat was 1.9
Add allowed_push_host to new gem template if rubygems >= 2.2.0.
Merge pull request #3002 from JuanitoFatas/allowed_pushed_host

Add allowed_push_host to new gem template.
[ci skip] Update reference link version in issues.md and development.md.
[ci skip] Fix a typo in Rakefile.
Merge pull request #3012 from JuanitoFatas/patch/fix-a-typo

[ci skip] Fix a typo in Rakefile.
Make a point about adding failing tests for bugs
Merge pull request #3013 from mattwynne/patch-1

Make a point about adding failing tests for bugs
links for contributing tasks

[ci skip]