Ignore this commit for now, it needs to be merged with another...Adding sortable widgets
adding drag and drop, and bootstrap modal

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drag and drop enabled but needs ui enhancements

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Changes to enable glow editor

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Changes to enhance widget holder utilities

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Fixed tests

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Added IMAGE field type for widgets

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fixed pageless widgeets

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Added page less field to admin pages

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more enhancements

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Cleaned up the source a bit

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Added docs

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Modified widget to use django model permissions when renedering. Fixed admin_can wrap to render correct responses

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fixed view response error with widget_list view

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Modified widget views to properly use admin_can wrapper, tuned admin_can wrapper

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Cleaned widget fields code, added a RESTRICTED_WIDGETS setting to filter out widgets that shouldnt show up in frontend administration

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made restrict list optional to superusers

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added default restricted list

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misc changes

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Allow any widget to be added by superuser

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