Relax Angular2 peer dependancies (#321)
Relax Angular2 peer dependancies (#321)

This commit changes Angular2 peer dependancies to use a caret instead of
  tilde.

  This ensures as the Angular2 team releases new minor versions
  rapidly this package will not throw an exception for UNMET PEER
  DEPENDANCY
santhakumarp/ng2-table,valor-software/ng2-table,valor-software/ng2-table,santhakumarp/ng2-table,valor-software/ng2-table