travis: removal of branch restriction
travis: removal of branch restriction

Signed-off-by: Jiri Kuncar <2bdffcb416fed3002465740d19a053a39918cbe5@cern.ch>

fmerges/flask-security,LeonhardPrintz/flask-security-fork,LeonhardPrintz/flask-security-fork,mattupstate/flask-security,fmerges/flask-security,inveniosoftware/flask-security-fork,themylogin/flask-security,nfvs/flask-security,mattupstate/flask-security,fuhrysteve/flask-security,nfvs/flask-security,mafrosis/flask-security,mafrosis/flask-security,inveniosoftware/flask-security-fork,themylogin/flask-security,fuhrysteve/flask-security,inveniosoftware/flask-security-fork,LeonhardPrintz/flask-security-fork