Add confirm message after people transfer, claim, rescue tokens in Dashboard

[nguyetv]

Design mockups:

Confirm message for transferring tokens from Available Balance to Voting Balancehttps://consensys.invisionapp.com/d/main/#/console/14237549/352073876/preview

Copy for transferring tokens from Available Balance
Success! Your transfer is complete. You have successfully transferred xxx.xx CVL to your Voting Balance. You may use them to vote on challenges.

Copy for transferring tokens from Voting Balance to Available Balance
Success! Your transfer is complete. You have successfully transferred xxx.xx CVL to your Available Balance.

Copy for Claiming tokens
Success! Your claim is complete. You have successfully collected xxx.xx CVL as your rewards. Your Voting Balance should reflect this amount. (do we know where the claimed tokens go?)

Copy for rescuing tokens
Success! You have successfully reclaimed xxx.xx CVL from unsuccessful challenges. Your xxx Balance should reflect this amount.