0.10.8: Merge pull request #34 from LiilyZhang/Issue1308

Issue 1308 Allow changes to model policy service reference

0.10.7: Merge pull request #32 from LiilyZhang/zhangl/Issue1318

Issue1318 - Embedded ESS component has a persistent HTTP connection w…

0.10.6: Merge pull request #31 from dabooz/issue1228

disallow modification of policy service reference

0.10.5: Merge pull request #30 from dabooz/issue1174

add no cache headers to HTTP responses

0.10.4: Merge pull request #29 from LiilyZhang/zhangl/addObjFilterToAPI

Issue 1115 - add objectType/ID filters