Install linked package dependencies, closes #673.

Also add a "unlink" alias to "uninstall".
Some fixes.
Merge branch 'master' of github.com:bower/bower into link-install-deps
Add --production switch to "prune" command
Merge pull request #1168 from c960657/prune-production

Add --production switch to "prune" command
Improved conflict resolution message

removed test-generated npm-debug.log

fixed semver formatting in message
Merge pull request #1188 from chiester/wip-1187-conflictResolvedMessage

Improved conflict resolution message
Merge branch 'master' into link-install-deps
Merge branch 'master' of github.com:bower/bower into link-install-deps
Add node 0.11 to Travis, but allow it to fail.
Merge pull request #1203 from wibblymat/node0.11

Add node 0.11 to Travis, but allow it to fail.
Merge pull request #891 from bower/link-install-deps

Install linked package dependencies, closes #673.
Use the GitHub resolver for https://github.com/*/* URLs. Fixes #250
Added tests
If a flag of 'private' is set, use ssh key authentication for github repos
Turns out that some git URLs don't parse like URLs

(git://host:path/to/repo.git - contains an extra ":")