merge reload changes into tweetbubble
extension interface
requestMD, requestMmd
add imgDir path
Merge branch 'master' into plugin_interface
use extension interface dispatchMessage
Merge branch 'master' into plugin_interface
change parameter value for requesting metadata
Merge branch 'master' into plugin_interface
merge interactiveSemantics and tweetbubble mice versions
request metadata in downloadAndDisplayDocument
merge content script parts for tweetbubble from interactiveSemantics and IM plugin
resolve issues in IM integration
merge recent changes back to mice (from twitterMicr)