Improved SSH instructions. Changed brooklyn version. (Update Script Miss.)

Conflicts:

	docs/use/guide/quickstart/index.md
Added missing  <!-- BROOKLYN_VERSION -->s

Conflicts:

	docs/use/guide/quickstart/catalog.xml
	docs/use/guide/quickstart/index.md
Added missing {{ site.url }} to download.md.
Updated versions.md to reflect release of 0.5.0.
Upped (c) year to 2013.
Added information/command to populate local repository.
Typos.
Added information about semantic versioning.

Conflicts:

	docs/meta/versions.md
Fix global-web-fabric/index.html for CloudFoundry refs

- Remove CloudFoundry setup instructions, and instead
  just reference https://github.com/cloudsoft/brooklyn-cloudfoundry
Added user = ubuntu for all AWS locations (using U 12.04 LTS AMIs).
Tried aws-ec2.user = root, but this global parameter did not propigate.
camp server first version, working, and listing the PCT's
supports ApplicationComponentTemplates now too (there aren't any from Brooklyn, however)
documented support for securityGroups, keyPair and loginUser.privateKeyFile
added support for LOGIN_USER_PRIVATE_KEY_FILE
refactor Swagger extensions to separate project
moved ApiError to rest-swagger package
added more util methods (used for camp)
moved camp to sandbox, so can be merged to master
Merge pull request #765 from ahgittin/feature/camp

CAMP server
Merge pull request #758 from jdtoy/master

Docs (master): Updates from release of 0.5.0.