* ProgressBar.cs:
* FolderBrowser.cs:
* umbracoGui.css:
* ProgressBar.ascx:
* UmbracoSpeechBubble.js:
* emptyTrashcan.aspx:
* PermissionsEditor.js:
* EditView.aspx.cs:
* DesktopMediaUploader.ascx: casing change

* Umbraco.Web.csproj: add reference to system.web.entity (external)

* ContentControl.cs: casing change
fix mono null conversion in ValidationRegExp

* EditUser.aspx.cs:
* ProgressBar.ascx:
* emptyTrashcan.aspx:
* EditUserType.aspx.cs:
* EditMember.aspx.cs:
* editLanguage.aspx.cs:
* editTemplate.aspx.cs:
* ContentTypeControl.cs:
* PermissionEditor.aspx.cs:
* editXslt.aspx.cs:
* EditMemberGroup.aspx.cs:
* editMacro.aspx.cs:
* DesktopMediaUploader.ascx:
* editScript.aspx.cs:
* editPython.aspx.cs:
* EditDictionaryItem.aspx.cs:
* ContentTypeControlNew.ascx.cs:
* editPackage.aspx.cs:
* editDatatype.aspx.cs:
* editstylesheet.aspx.cs:
* EditRelationType.aspx.cs:
* EditStyleSheetProperty.aspx.cs: casing changes

* GenericProperty.ascx.cs: fix mono null conversion in
  ValidationRegExp

* AssemblyInfo.cs: remove AllInternalsVisible attribute - this breaks
  visibility in mono