Squashed 'plugin/floo/common/' changes from 808933b..f264cce

f264cce Parse lazy workspace URLs that don't include the domain.
001b45c Fix occasional keyerror when uploading.
216861a IGNORE_MODIFIED_EVENTS is never used.

git-subtree-dir: plugin/floo/common
git-subtree-split: f264cced5c7d99538de5a19509db00ab3927e257
Merge commit '15a31356471e238893806353b798e7d87d33b355'