Issue #32: new command bug-start
Issue #32: rename bug -> bugfix (command, prefix)
Issue #32: add param start-point in command
Move indentForCommandTemplates from GitConfiguration -> Configuration
Issue #32: set default start-point to current at end of execute()
Add my implem of ListBranchCommand to have pattern option
Issue #32: startPoint can be null after parseArgs, we will ask it in execute (later)
Add junit on listBranches
Add method askUser(List<String> choices, String defaultValue)
Bug fixed: can have few occurences of a branch in listBranches
bugfixStart: ask start point from user if not specified at run
Add startpoint in bugfix branch name
Bug fixed: ask startPoint before build bugfix branch name