info about ponyfile licensing

Signed-off-by: Mattias Andrée <maandree@operamail.com>
note about the source tag

Signed-off-by: Mattias Andrée <maandree@operamail.com>
add license templete GNUAllPermissive

Signed-off-by: Mattias Andrée <maandree@operamail.com>
add license templete WTFPL

Signed-off-by: Mattias Andrée <maandree@operamail.com>
add license templete CC0

Signed-off-by: Mattias Andrée <maandree@operamail.com>
add license templete cc-by-sa

Signed-off-by: Mattias Andrée <maandree@operamail.com>
add license templete cc-nc-by-sa

Signed-off-by: Mattias Andrée <maandree@operamail.com>
Merge branch 'develop' of github.com:erkin/ponysay into develop