Merge fix from 1.4.1
Configuration & Form Builder
Field UI & Builder
Merge remote-tracking branch 'parent/1.5.0-Dev' into MERGING-1
Reorg PDF.js
Update Form Config & UI
UI Form widget
Validation UI
Offline Configuration
Merge pull request #228 from jmpascal/MERGING-1

Sprint 2 works : ConfigService / Form UI / Offline Configuration