Fix mistakes with package names and project leads.
Fix mistakes with package names and project leads.

christophrumpel/de.thephpleague.com,01walid/thephpleague.github.io,thephpleague/thephpleague.github.io,colinodell/thephpleague.github.io,01walid/thephpleague.github.io,colinodell/thephpleague.github.io,thephpleague/thephpleague.github.io,thephpleague/thephpleague.github.io,colinodell/thephpleague.github.io