Start of explicit rollback
Bugfixes rollback
Allow rollback to an arbitrary version, defaulting to previous
Add a pre-symlink stage, add the stage-script variable 'IS_ROLLBACK'
Start trapping SIGINT later
Improved remote status
Fix rollback tests
Remove specific symlink rollback for explicit rollback
Colors and better indentation in log output
Merge branch 'rollback'
Cleanup README and move TODOs in code to README
Fix return code checking for calls piped to 'indent'
Better command line options management
Improve status and roadmap section in README
Replace seq (not available on msys) by for loop
Switch all rollback tests to Ssh remote
Replace tput with escape codes to avoid dependencies on ncurses
Improve output : indenting, colors, newlines
Cleanup double slashes in REMOTE_PATH
Echo color only if output is going to a terminal