Merge pull request #262 from eric-wu/release-1.16

Strip off the syn prefix from the node ID used as the paging parameter
HOTFIX (Pull request 269 on develop) PLFM-1667
PLFM-1672 Fix NPE
PLFM-1670 Fix a bug that the cache refresh is never scheduled
Merge branch 'release-1.16' into develop
PLFM-1627 More fix
Merge branch 'release-1.16' into develop
Merge pull request #273 from eric-wu/develop

Merge release-1.16 patch back to develop