Better Profile Commands

Minor changes to the profile-commands that display links to girhib,linkedin etc. in the header:

text displayed by email, linkedIn and github command is now a clickable hyperlink
linkedIn and GIthub command now only have to display name of the actual profile, not entire url
- ( 'myprofile' will be displayed instead of 'www.linkedin.com/in/myprofile')
added two new commands: googlescholar and xing

liantze / AltaCV