Squashed 'floo/common/' changes from d4c64a8..006863c

006863c Change link editor to sign in. Add a TODO to override this message in editors other than sublime text.
0644804 Merge bug fixes from python common.
e1d33f1 backport delete workspace and take callback.  Fix bug in getting index (ints can be bigger than 1 digit)
35b9a24 UnboundLocalError
272d60b fix reactor select bug

git-subtree-dir: floo/common
git-subtree-split: 006863ceb8bc07b7659ecdff23782729c74772f3
Merge commit '98a38b00f1ec609a14eb2f387dd1cfb82ff5b8d7'
Bump version.