** Removed unused imports
** Changed material field model Field interface into class
** Moved name property into Field from material field model
implementations
** Removed HtmlMaterialFieldListeners (was used to remove object tags
from html materials)
** Fixed incorrectly named method in QueryFieldController
(findQueryTextFieldByMaterialAndName -> findQueryFieldByMaterialAndName)
** Removed fieldPrefix from material processing contexts
** Replaced field id system that relayed on input, textarea and select
elements with system that uses object field tags for the same purpose
** Added support for defining html renderers for workspace material
fields
** Unified QueryField types with field mimetypes in html
** Merged workspace material persistence handlers and workspae material
renderers into workspace material field handlers