make `init-branch` command obsolete!

and correct some indentation problems...
Add message about the online help
correct overwriting of autocrlf setting when bootstrapping
Better naming of remote corresponding to TFS branches
doc to say that 'master' should be bootstraped first then other tfs remotes
Merge pull request #453 from pmiossec/better_help

Add message about the online help
Merge pull request #455 from pmiossec/bootstrap_autocrlf

correct overwriting of autocrlf setting when bootstrapping
improve bootstrap doc
Small fixups.
Add a warning message when running the `init-branch` command
Merge pull request #458 from pmiossec/boostrap_better_remote_naming

better remote naming when bootstrapping
Merge pull request #452 from pmiossec/obsolete_init_branch_command

make `init-branch` command obsolete!
process expected name to get a good git name
Merge pull request #460 from pmiossec/bootstrap_better_naming_correction

process expected name to get a good git name