Adding dyslexia support to twgit (feature #117)

Because sometimes mind and fingers are not synchronized very well, this utility
will help to reorder all the characters inside two specials words :
 * the command (clean, demo, feature, hotfix, init, release, tag, update)
 * the action (start, finish, status, …)

A warning will be display for every hit, but the execution will continue,
increasing the satisfaction of the end-user by not having to rewrite all the
command line