Akvo FLOW app 2.1.4

[ichinaski]

• [x] Release notes
• [x] Test plans:
  • [x] Datapoint name truncation https://github.com/akvo/akvo-flow-mobile/issues/278#issuecomment-86905602
  • [x] More explicit error messages https://github.com/akvo/akvo-flow-mobile/issues/276#issuecomment-86479640
  • [x] Bootstrap process fails upon app mismatch [#242]
• [x] Deploy UAT APK

[rumca]

think we're good to go on Tuesday :+1: