git flow support

The next figure illustrates hte following GitFlow subcommands:

• git flow support start <version.x> <base>
• git flow hotfix start <version.h> support/<version.x>
• git flow hotfix finish <version.h>
• git flow feature start <name> support/<version.x>
• git flow feature finish <name>
• git flow release start <version.r> support/<version.x>
• git flow release finish <version.r>