Add radio buttons to select tree grouping criterion.
opendns context
Create fake nodes for each domain when tree is organized by URL.
Show links to marked tabs in popup.
Formatting changes.
Move onclick to mark button from mark div in popup.
Attempt to update list of marked tabs when Mark/Unmark is clicked in popup.
Preview for activate node

Since chrome API only support get image data for current activated tab,
you need manually activate a tab in order to get the preview.
preview
Complete merge properly. Hide img if no tab image.

Some diff artifacts from a merge operation were present.

When a tab preview is not present in localStorage,
localStorage.getItem() returns null. The code earlier tested against the
string 'undefined', this is changed to undefined ||
null. localStorage[key] returns undefined and localStorage.getItem(key)
returns null.
Update backgroundPage.js
Add hotkeys for viz and marking.
Add hotkey for showing popup.

Ctrl+Comma can now be used for launching the quick-links popup.
Add valid data to root node.

Also remove some debugging statements.
Use dimmer color for fake nodes.
Use <button> for tab links in popup.

Using <a> even with href="javascript:void(0)" causes a new tab to open
as a side effect. The <button> tag avoids this. CSS changes added to
style button like a link.
merging
change
minnor changes
Create custom hypertree CSS files.
minor