ALL CHANGES:
  TEZ-2982. Tez UI: Create tez-ui2 directory and get a basic dummy page working in ember 2.2
  TEZ-3016. Tez UI 2: Make bower dependency silent
  TEZ-2983. Tez UI 2: Get ember initializers functional
  TEZ-3018. Tez UI 2: Add config.env
  TEZ-3019. Tez UI 2: Replace BaseURL with Host
  TEZ-2984. Tez UI 2: Create abstract classes
  TEZ-3020. Tez UI 2: Add entity blueprint
  TEZ-2985. Tez UI 2: Create loader and entity classes
  TEZ-3021. Tez UI 2: Add env service & initializer
  TEZ-3023. Tez UI 2: Abstract adapter and route
  TEZ-3022. Tez UI 2: Add serializer & adapter for timeline server
  TEZ-3026. Tez UI 2: Add adapters for RM & AM
  TEZ-3027. Tez UI 2: Add header and footer elements
  TEZ-2986. Tez UI 2: Implement All DAGs page
  TEZ-3038. Tez UI 2: Create DAG details page
  TEZ-3039. Tez UI 2: Create all sub-pages for DAG
  TEZ-3040. Tez UI 2: Create Vertex details page & sub tables
  TEZ-3041. Tez UI 2: Create Task & Attempt details page with sub tables
  TEZ-3045. Tez UI 2: Create application details page with DAGs tab
  TEZ-3048. Tez UI 2: Make PhantomJS a local dependency for build tests
  TEZ-3042. Tez UI 2: Create Counters pages
  TEZ-3043. Tez UI 2: Create configurations page
  TEZ-3049. Tez UI 2: Add column selector
  TEZ-3050. Tez UI 2: Add counter columns
  TEZ-3064. Tez UI 2: Add All DAGs filters
  TEZ-3059. Tez UI 2: Make refresh functional
  TEZ-3070. Tez UI 2: Jenkins build is failing
  TEZ-3060. Tez UI 2: Activate auto-refresh
  TEZ-3061. Tez UI 2: Display in-progress vertex table in DAG details
  TEZ-3069. Tez UI 2: Make error bar fully functional
  TEZ-3062. Tez UI 2: Integrate graphical view
  TEZ-3058. Tez UI 2: Add download data functionality
  TEZ-3084. Tez UI 2: Display caller type and info
  TEZ-3080. Tez UI 2: Ensure UI 2 is in-line with UI 1
  TEZ-3092. Tez UI 2: Tuneups & Improvements
  TEZ-3095. Tez UI 2: Tuneups & Improvements
  TEZ-3088. Tez UI 2: Licenses of all the packages used by Tez Ui must be documented
  TEZ-2916. Tez UI 2: Show counts of running tasks on the DAG visualization page
  TEZ-3125. Tez UI 2: All auto-refresh pages refresh multiple times shortly after application complete
  TEZ-3127. Tez UI 2: Release audit is failing