CONFIG: Update bower.json for latest font awesome version
CONFIG: Update bower.json for latest font awesome version

Must rerun bower install

doubtfire-lms/doubtfire-web,doubtfire-lms/doubtfire-web,alexcu/doubtfire-web,final-year-project/doubtfire-web,final-year-project/doubtfire-web,doubtfire-lms/doubtfire-web,doubtfire-lms/doubtfire-web,alexcu/doubtfire-web