- add support for Context to PieChart
- fix up CampusContextSetting to do a Full Post back so that other context blocks will reload
- Fixed up MetricEntityPicker so it doesn't blow up when Nothing is selected
- Updated attribute terminology in DashboardWidget block types
- PieChart and LiquidChart now both work with either BlockSetting Context or Page Context
- updated CampusContextSetter to be based on a bootstrap dropdown
- Updated Group Context Setting to be a bootstrap dropdown and work like Campus Campus Setter
- added margins to group mapper checkboxes per suggestion from Kris
- fix ZoneBlocks not showing in correct order after reordering (cache wasn't getting updated)
- updated /// comments on AccountFieldAttribute and DateRangeFieldAttribute to indicate how they are stored in the db
- add PERSON_CONNECTION_STATUS_PARTICIPANT to DefinedValue SystemGuids
- fixed up big performance issue in HtmlContentDetail. It was spending up to 500ms or so per block loading MergeFields even if the HtmlContent didn't have any Merge Codes in it.  Should improve initial load time of project by a couple of seconds
- Fix compiler warnings
- Update existing migration to add the HTML Content block's ContextAware attribute
Merge remote-tracking branch 'origin/master' into release-1.0.12

Conflicts:
	Rock.Rest/Controllers/MetricValuesController.Partial.cs
	Rock/Data/MigrationHelper.cs
	Rock/Web/UI/Controls/Pickers/MetricEntityPicker.cs
	RockWeb/Blocks/Cms/HtmlContentDetail.ascx.cs
	RockWeb/Blocks/Core/CampusContextSetter.ascx
	RockWeb/Blocks/Core/CampusContextSetter.ascx.cs
	RockWeb/Blocks/Core/GroupContextSetter.ascx
	RockWeb/Blocks/Core/GroupContextSetter.ascx.cs
	RockWeb/Blocks/Groups/GroupMap.ascx
	RockWeb/Blocks/Reporting/Dashboard/PieChartDashboardWidget.ascx.cs