backup-my-data: add script to backu contents of my-data container

Signed-off-by: Paul Campbell <pcampbell@kemitix.net>
browse: add image - iceweasel

Inserted into the chain where it's own dependencies and no more are met.

This image is based on debian, so we add iceweasel rather than firefox.

Attempting to add google chrome only resulted in a hanged process.

Signed-off-by: Paul Campbell <pcampbell@kemitix.net>
android-sdk: add git-flow, git-gui and gitk

Signed-off-by: Paul Campbell <pcampbell@kemitix.net>
*/Makefile/SSH_PORT: give each a unique port to avoid clashes

e.g. This allows running a netbeans and an android-studio container
simultaneously.

Signed-off-by: Paul Campbell <pcampbell@kemitix.net>