[MERGE #3758 @jackhorton] Make -v actually enable verbose makefiles
[MERGE #3758 @jackhorton] Make -v actually enable verbose makefiles

Merge pull request #3758 from jackhorton:xplat-verbose

-v wasn't allowing me to see the commands being run, and switching "V=1" to "VERBOSE=1" fixed that: https://stackoverflow.com/questions/5820303/how-do-i-force-make-gcc-to-show-me-the-commands#comment34121307_5820432

Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore