[enh] Remove ionic JS lib from git repo (managed in bower.json).

[fix] Remove unused qrcodejs lib.
[fix] Fix Dockerfile

[fix] Fix bad ui sref

[enh] Make sure to clean all cache when BMA node changed
[enh] Cesium+: Add cache on some requests

[enh] Make sure to clean all cache when BMA node changed
[enh] Cesium+: Add cache on some requests

[enh] Wallet: when changing a simple wallet into a member account, show the registration wizard (need to approve the license, confirmation, and download revocation file)