UI cleanup.

-Added ui-local transformation matrix.
-Gutted legacy commitcallbacks throughout ui widget ctors.
-Created filter_editor ui widget which issues commit on keypress
   -search_editor commits on focus loss/enter press
   -search_editor and filter_editor now have a built in 'x' button to clear text.
-LLComboBox::setPrearrangeCallback now uses boost::function
-LLComboBox::setTextEntryCallback now uses boost::function
-LLLineEditor::setKeystrokeCallback now uses boost::function
-LLLineEditor::setPrevalidate now uses boost::function
-LLPanel::childSetKeystrokeCallback removed
-LLPanel::childSetPrevalidate removed
-LLPanel::childSetActionTextbox now uses boost::function
-LLTextBox::setClickedCallback now uses boost::function
-LLTextEditor::setKeystrokeCallback added.
-Cleaned up JCFloaterAreaSearch

indra/newview/llgroupmgr.h

@@ -86,7 +86,7 @@ public:
 
 	BOOL isInRole(const LLUUID& role_id) { return (mRolesList.find(role_id) != mRolesList.end()); }
 
-protected:
+private:
 	LLUUID	mID;
 	S32		mContribution;
 	U64		mAgentPowers;
@@ -233,6 +233,10 @@ public:
 	BOOL isRoleMemberDataComplete() { return mRoleMemberDataComplete; }
 	BOOL isGroupPropertiesDataComplete() { return mGroupPropertiesDataComplete; }
 
+	F32 getAccessTime() const { return mAccessTime; }
+	void setAccessed();
+
+	const LLUUID& getMemberVersion() const { return mMemberVersion; }
 public:
 	typedef	std::map<LLUUID,LLGroupMemberData*> member_list_t;
 	typedef	std::map<LLUUID,LLGroupRoleData*> role_list_t;
@@ -279,6 +283,10 @@ private:
 	BOOL				mGroupPropertiesDataComplete;
 
 	BOOL				mPendingRoleMemberRequest;
+	F32					mAccessTime;
+
+	// Generate a new ID every time mMembers
+	LLUUID				mMemberVersion;
 };
 
 struct LLRoleAction