Added bird walks module.
Merge branch 'master' of https://github.com/QutBioacoustics/baw-client
Merge branch 'master' of https://github.com/QutBioacoustics/baw-client
Merge branch 'master' of https://github.com/QutBioacoustics/baw-client
Changed breadcrumbs to get title from route configuration.
Active item in navbar is now selected based on url.
Bird walk resources added (not committed), along with abilty to load and display thumbnails of available bird walks.