Update git-flow-completion to 0.4.2.2
Update maven-bash-completion to af695a8456

Taken from https://github.com/juven/maven-bash-completion

Changes:

- Added cobertura:cobertura goal
- Use all available default lifecycle commands
- sort all the plugins
- get plugin names from variables
- Added Grails Maven plugin support
- fix #37 support multiple profile name
- fixed #35, use sed to delete all text after profile id
- Added gwt.compiler.skip option
Remove user space git{-flow} completions

They are normally provided on system level
bash_completion loads ~/.bash_completion
Add `killall` tab completion for common apps
.bash_profile: Make sure only files get sourced
Add tab completion for SSH hostnames