Clean up checking of Zotero's status in Firefox by passing all functions conditional on Zotero's state into the AddonManager.getAddonByID callback rather than setting a boolean in the callback that is checked later.  Timing issues were arising from the AddonManager callback being asynchronous.'
Reorganize chrome elements to follow the general, Firefox, Zotero breakdown more accuarately.
Clarify code in Zutilo.jsm and zoteroOverlay.js
Make sure modified attachment paths are saved to Zotero database.  Update README
Track root XUL elements and remove them one by one on shutdown().  (Rather than searching for all XUL elements whose id's begin with 'zutilo-' as was done before).
Don't show upgrade message window if there is no upgrade message.
Add functions and status bar icons for translating items with(out) downloading attachments.
Add functions for attaching pages/links to Zotero items.
Add functions for scraping pages with/without attachments.
Fix error when Zutilo is loaded while Zotero is disabled.
Remove max version restriction for Zotero Standalone (to prevent unnecessary conflicts with future releases of Zotero).
Update Zotero Standalone installation instructions.
Add link to Zoterodactyl to README.md