fix(bower): removing options in .bowerrc to avoid JSON logs
fix(bower): removing options in .bowerrc to avoid JSON logs

now bower has a problem with JSON log if a "json" property is provided
in .bowerrc

ref: https://github.com/bower/bower/issues/2245#issuecomment-208549981

simobasso/angularjs-pdf,simobasso/angularjs-pdf,sayanee/angularjs-pdf,sayanee/angularjs-pdf