AUTO-91 Integrate Installer tests/Upgrade tests/BVTs with Teamcity
Fix bug DNN-3227: as we changes the serialize function of Json, the output will be an object when serialize it, no need convert again.
Fix bug DNN-3684: move the add log setting button from actions menu as a primary button.
Fix bug DNN-3683: add the optional packages which are old version into cleanup list.
AUTO-144 Advanced URL Management  Custom URL can be created, modified and deleted, and the url works
AUTO-144 Advanced URL Management Custom URL can be created, modified and deleted, and the url works
ReSharper code cleanup
DNN-26462 6.2.0.SqlDataProvider - Alter Table UserRoles error during upgrade
DNN-4114 HttpContext.Current =null why are using HttpContext.Current object for just decoding/encoding html
Fix  bug DNN-4025: remove the inline style of logo image.
Fix bug DNN-26063: do not need to set the IsValid status when post back, Page.Validate will calculate the valid status when needed.
Fix bug DNN-4171: set the LastIPAddress property when retrieve data from db.
CONTENT-2104 - Changed the GetMaxUploadSize function to consider IIS7 configuration
CONTENT-2041 SI: DAM image preview shows background which distorts image
CONTENT-1957 - DAM > Link to Folder or Tag
Added an extensible initial state