Fixed issue with sortable-elements

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branch : emailTemplateBuilder
Merge with emailTemplateBuilder

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branch : builderPoC
Adding serialization function to js

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branch : builderPoC
drag/drop before/after elements

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branch : builderPoC
Added support for wrapping an element in a row

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branch : emailTemplateBuilder
Added support for having content tab as null

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branch : emailTemplateBuilder
Refactored how save ajax request parameters were handled

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branch : emailTemplateBuilder
Merge with emailTemplateBuilder

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branch : builderPoC
Fixing serialized cache

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branch : builderPoC
Refactored some code. Implemented logic to clear data, fetch new my templates and reload canvas when modelClassName changes

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branch : emailTemplateBuilder
Removed an outdated todo item

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branch : emailTemplateBuilder
Added support to preview by id as well as by serialized data

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branch : emailTemplateBuilder
Refactored code to allow overriding model class name of editable form

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branch : emailTemplateBuilder
Changed method to be final

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branch : emailTemplateBuilder
Adding apply link script

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branch : builderPoC
Merge with emailTemplateBuilder

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branch : builderPoC
expose parent/child account relationship.
Addding cancel link script

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branch : builderPoC
new merge tags view

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branch : mergeTagsView
Changed non-container elements to be wrapped inside divs instead of tables

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branch : emailTemplateBuilder