change profile image to Gravatar
Merge pull request #10 from ChrisBoesch/master

update
Merge pull request #18 from Arathi298/master

Amended selectquests & practice ids
Merge pull request #11 from ChrisBoesch/master

update
show selected path name and level number on tab in practice page
Merge pull request #19 from ruijunhuang2010/master

update
Merge pull request #4 from ChrisBoesch/master

update 2705 2153