Merge remote-tracking branch 'zcash/master' into rebase2

# Conflicts:
#	.travis.yml
#	Makefile.am
#	README.md
#	configure.ac
#	depends/Makefile
#	depends/builders/darwin.mk
#	depends/funcs.mk
#	depends/hosts/darwin.mk
#	depends/packages/googlemock.mk
#	depends/packages/googletest.mk
#	depends/packages/libsnark.mk
#	depends/packages/libsodium.mk
#	depends/packages/packages.mk
#	depends/packages/rust.mk
#	src/Makefile.am
#	src/Makefile.gtest.include
#	src/chainparams.cpp
#	src/chainparams.h
#	src/checkpoints.h
#	src/clientversion.h
#	src/coins.cpp
#	src/consensus/consensus.h
#	src/gtest/test_mempool.cpp
#	src/httprpc.cpp
#	src/init.cpp
#	src/komodo-tx.cpp
#	src/main.cpp
#	src/miner.cpp
#	src/policy/fees.cpp
#	src/policy/fees.h
#	src/rpcmining.cpp
#	src/rpcrawtransaction.cpp
#	src/rpcserver.cpp
#	src/test/policyestimator_tests.cpp
#	src/test/rpc_wallet_tests.cpp
#	src/test/transaction_tests.cpp
#	src/txdb.cpp
#	src/txmempool.cpp
#	src/wallet/asyncrpcoperation_sendmany.cpp
#	src/wallet/rpcwallet.cpp
#	src/wallet/wallet.cpp
#	src/wallet/wallet.h
#	src/zcash/CreateJoinSplit.cpp
#	zcutil/build.sh

src/rest.cpp

@@ -405,7 +405,7 @@ static bool rest_getutxos(HTTPRequest* req, const std::string& strURIPart)
         boost::split(uriParts, strUriParams, boost::is_any_of("/"));
     }
 
-    // throw exception in case of a empty request
+    // throw exception in case of an empty request
     std::string strRequestMutable = req->ReadBody();
     if (strRequestMutable.length() == 0 && uriParts.size() == 0)
         return RESTERR(req, HTTP_INTERNAL_SERVER_ERROR, "Error: empty request");
@@ -485,7 +485,7 @@ static bool rest_getutxos(HTTPRequest* req, const std::string& strURIPart)
     if (vOutPoints.size() > MAX_GETUTXOS_OUTPOINTS)
         return RESTERR(req, HTTP_INTERNAL_SERVER_ERROR, strprintf("Error: max outpoints exceeded (max: %d, tried: %d)", MAX_GETUTXOS_OUTPOINTS, vOutPoints.size()));
 
-    // check spentness and form a bitmap (as well as a JSON capable human-readble string representation)
+    // check spentness and form a bitmap (as well as a JSON capable human-readable string representation)
     vector<unsigned char> bitmap;
     vector<CCoin> outs;
     std::string bitmapStringRepresentation;