Apply fix from #131 and maintain a backwards compatibility trapdoor.
Add backwards compatibility support code for bad stealth addresses.
Move processing intensive channel receiving methods to a worker thread.
Remove uneeded dependency on stealth.
Add worker for small crypto tasks (now managing encrypting and signing for the lobby channel).
Don't send back a message if we don't have it.
Merge pull request #130 from martindale/bits

Add support for bits.
fix the default fee not being applied after changing currency.
Show different messages in restore or create on the side write step. Closes #122.
Fix wallet test affected by stealth fix.
Change new modal so animation works with enter and leave (also ng-if).
fixed animations for new modals
refactored the stealth address box a bit
added glow hint on multisig wizard
fixed tooltip placements
fixed small bug in modal
changed modal back to ng-cloak
add ng-cloak to modal so we can hide it initially.
updated css with sass changes
Fix cloak filter (its an attribute).