Merge branch 'release/0.1.4' into dev
Create a progress indicator for active track
Add loaded indicator for active track
Ignore .env file
Load env vars from .env file before deploying to heroku
Fix error with undefined active track position
Fix top margin for tracklist
Change tracklist renderign strategy, using css3 transform instead top to position track in tracklist
Create an app/query module to perform queries on appstate
Rename models to values
Convert all static track functions to a methods
Convert all groups static functions to a methods, use general isEmpty function
Create a cursor value to manage sliding window in large lists
Move a group fetching query to the corresponding module
Optimize tracklist rendering, disable groups loading
Using npm scripts instead grunt for common tasks
Fix wrong dependency path in test/models
Update immutable-js to 3x branch
Using separate service for loading tracks, remove all loading logic from vk service
Fix group layout to pass send fn to TracklistCard