[SDK&CLI] 2.0.0

Breaking

• CLI and SDK updated to be aligned with changes in contract v2.0.0

Updates

• added command bond-address to show PDA based on vote account address and config account address
• show-bond does not show information about funded stake account by default,
  parameter --with-funding has to be used explicitly

Fixes

• show-bond fix on showing negative number after floating point when withdraw amount is bigger than available bond amount