ECMS-5286 [IE9, IE10] [Advanced search] search result of a saved query is shown in scroll
ECMS-5403 Wrong sitemap content after changing the frequency of SEO
Problem Analysis:
 - when saving SEO data, portalRequestContext.getRequestURI() return current URI (for example: http://localhost:8080/portal/acme), not real URI (http://localhost:8080/portal/acme/overview)
 - Bug happens when going to a site having default page but we not enter default page on URL
Solution:
 - Rebuild URL by portalRequestContext.createURL
CMIS-564 Catch the case of ItemNotFoundException to ignore the property which don't have its reference in workspace
ECMS-5410 Drag&Drop UI looks not beautiful
UI-2876:  Incorrect UI of Add/Edit Web Content
UI-2856: upload container has the wrong size
ECMS-5159 Incorrect UI of Add Category Tree
UI-2872: Remove redundant line if have no action form
DOC-2897 Review ECMS API
ECMS-2873: Remove the duplication of Maximum Page Size field at the bottom.
 UI-2874  UI and effect mistakes on Add/Edit Template form
ECMS-5397 File Explorer crashes when I open a web-content in List View
Problem analysis:
 - For tag view, Current behavior of UIDocumentInfo.getPageList always returns tagged node(s).
 This causes recursion forever when clicking to expand a document
Solution:
 - Using new method getPageList specified for file view to get childlist of selected document
ECMS-5445 fix some violations of ECMS
Merge remote-tracking branch 'origin/master' into feature/centralized-workspaces