Fix jshint complaints.
Fix jshint complaints.

eXcomm/bitcore,iobond/bitcore,TeamPiggyCoin/PiggyCore,phplaboratory/bitcore,genecyber/bitcore,williamcotton/bitcore,pnagurny/bitcore,bitjson/bitcore,bilthon/bitcore,bankonme/bitcore,lekkas/bitcore,bitjson/bitcore,bitpay/bitcore,litecoin-project/litecore,iobond/bitcore,MonetaryUnit/bitcore,initaldk/bitcore,iobond/bitcore,bitpay/bitcore,braydonf/bitcore,martindale/bitcore,eXcomm/bitcore,bitpay/bitcore,janko33bd/bitcore,bitpay/bitcore,iobond/bitcore,adjoinant/bitcore,braydonf/bitcore,eordano/bitcore,iobond/bitcore,lekkas/bitcore,daxxog/clamcore,martindale/bitcore,GroestlCoin/groestlcore,bilthon/bitcore,jcvernaleo/bitcore,phplaboratory/bitcore,olalonde/bitcore,williamcotton/bitcore,litecoin-project/litecore,TeamPiggyCoin/PiggyCore,olalonde/bitcore,jcvernaleo/bitcore,pnagurny/bitcore,maraoz/coinforge,genecyber/bitcore,bankonme/bitcore,adjoinant/bitcore,UdjinM6/bitcore-dash,daxxog/clamcore,MonetaryUnit/bitcore,maraoz/coinforge,initaldk/bitcore,janko33bd/bitcore,martindale/bitcore,eordano/bitcore,TOMOAKI12345/bitcore,bitjson/bitcore,bitjson/bitcore,TOMOAKI12345/bitcore,martindale/bitcore