Merge pull request #75 from cdondrup/hydro-devel

Added strands_apps repository to strands_extras rosinstall file.
Adding strands_social to strands-extras.yaml
Merge pull request #76 from cdondrup/social

Adding strands_social to strands-extras.yaml
Renamed and moved twitter bootstrap package
Added new robblog repo to yaml file.
Merge pull request #77 from hawesie/hydro-devel

Adding and renaming repos for release