Fix concat.sh failure when building copay on Windows. (and silent? bug in Linux builds - build.js attempts to cd to js/browser subdir, but there is no such directory in the copay project, and concat.sh resides in the project root)
Fix concat.sh failure when building copay on Windows.
(and silent? bug in Linux builds - build.js attempts to cd to js/browser subdir, but there is no such directory in the copay project, and concat.sh resides in the project root)

bitchk-wallet/copay,bechi/copay,Neurosploit/copay,digibyte/digibytego,jameswalpole/copay,ajp8164/copay,julianromera/copay,habibmasuro/copay,julianromera/copay,habibmasuro/copay,ObsidianCryptoVault/copay,DigiByte-Team/copay,johnsmith76/Lite-Wallet,kleetus/copay,tanojaja/copay,CryptArc/platinumpay,matiu/copay,CryptArc/platinumpay,ionux/copay,ztalker/copay,javierbitpay/copay,fr34k8/copay,bechi/copay,isocolsky/copay,wyrdmantis/copay,philosodad/copay,startcoin-project/startwallet,bitchk-wallet/copay,troggy/colu-copay-wallet,chjj/copay,ztalker/copay,troggy/colu-copay-wallet,wyrdmantis/copay,matiu/copay,Bitcoin-com/Wallet,bitchk-wallet/copay,gabrielbazan7/copay,JDonadio/copay,kleetus/copay,solderzzc/copay,BitGo/copay,payloadtech/wallet,jameswalpole/copay,philosodad/copay,wallclockbuilder/copay,janko33bd/copay,isocolsky/copay,Kirvx/copay,jameswalpole/copay,payloadpk/wallet,cobit-wallet/cobit,matiu/copay,msalcala11/copay,wallclockbuilder/copay,chjj/copay,gabrielbazan7/copay,digibyte/digibytego,Groestlcoin/GroestlPay,ObsidianCryptoVault/copay,isocolsky/copay,cmgustavo/copay,urv2/wallet,troggy/colu-copay-wallet,willricketts/copay,kleetus/copay,digibyte/digibytego,MonetaryUnit/copay,bankonme/copay,wallclockbuilder/copay,fr34k8/copay,julianromera/copay,troggy/unicoisa,jmaurice/copay,ajp8164/copay,cmgustavo/copay,willricketts/copay,bitjson/copay,msalcala11/copay,Groestlcoin/GroestlPay,ionux/copay,solderzzc/copay,tanojaja/copay,bankonme/copay,Neurosploit/copay,troggy/copay,hideoussquid/aur-copay,chjj/copay,LedgerHQ/copay,urv2/wallet,Groestlcoin/GroestlPay,payloadtech/wallet,mpolci/copay,wallclockbuilder/copay,JDonadio/copay,Kirvx/copay,philosodad/copay,DigiByte-Team/copay,javierbitpay/copay,tanojaja/copay,LedgerHQ/copay,solderzzc/copay,troggy/unicoisa,bitjson/copay,LedgerHQ/copay,BitGo/copay,ajp8164/copay,kleetus/copay,troggy/colu-copay-wallet,javierbitpay/copay,fr34k8/copay,DigiByte-Team/copay,startcoin-project/startwallet,DigiByte-Team/copay,Kirvx/copay,isocolsky/copay,JDonadio/copay,troggy/unicoisa,startcoin-project/startwallet,julianromera/copay,tanojaja/copay,mzpolini/copay,ionux/copay,troggy/copay,robjohnson189/copay,bankonme/copay,urv2/wallet,mpolci/copay,Neurosploit/copay,gabrielbazan7/copay,willricketts/copay,javierbitpay/copay,DigiByte-Team/copay,CryptArc/platinumpay,DigiByte-Team/copay,msalcala11/copay,MonetaryUnit/copay,gabrielbazan7/copay,troggy/unicoisa,cobit-wallet/cobit,BitGo/copay,ObsidianCryptoVault/copay,LedgerHQ/copay,jmaurice/copay,MonetaryUnit/copay,philosodad/copay,hideoussquid/aur-copay,cmgustavo/copay,ztalker/copay,robjohnson189/copay,ionux/copay,MonetaryUnit/copay,mzpolini/copay,janko33bd/copay,bitjson/copay,mpolci/copay,Bitcoin-com/Wallet,wyrdmantis/copay,ObsidianCryptoVault/copay,mzpolini/copay,payloadtech/wallet,johnsmith76/Lite-Wallet,fr34k8/copay,jmaurice/copay,Groestlcoin/GroestlPay,cobit-wallet/cobit,JDonadio/copay,Bitcoin-com/Wallet,payloadpk/wallet,Neurosploit/copay,payloadpk/wallet,solderzzc/copay,dabura667/copay,BitGo/copay,payloadtech/wallet,hideoussquid/aur-copay,Tetpay/copay,hideoussquid/aur-copay,CryptArc/platinumpay,johnsmith76/Lite-Wallet,jameswalpole/copay,Tetpay/copay,troggy/copay,mzpolini/copay,dabura667/copay,robjohnson189/copay,johnsmith76/Lite-Wallet,jmaurice/copay,wyrdmantis/copay,willricketts/copay,robjohnson189/copay,startcoin-project/startwallet,habibmasuro/copay,mpolci/copay,bitjson/copay,troggy/copay,habibmasuro/copay,cmgustavo/copay,janko33bd/copay,urv2/wallet,matiu/copay,DigiByte-Team/copay,dabura667/copay,payloadpk/wallet,bankonme/copay,Kirvx/copay,ztalker/copay,bechi/copay,msalcala11/copay,Bitcoin-com/Wallet