updated gems, including baw-audio-toos
updated baw-audio-tools
added simple stats to user profile
Added category to bookmarks, filter by name and category. Closes #98

Updated gems
tidy up user projects query
comment out future functionality
updated gems
updated media_spec to be able to generate docs
changes made, check tests
Merge branch 'fix_stampable_and_creator_association' of https://github.com/QutBioacoustics/baw-server into fix_stampable_and_creator_association

Conflicts:
	app/models/bookmark.rb
merged in master, fixed tests