FAB-3675 add gotools/build and fix
FAB-3675 add gotools/build and fix

Murali caught that gotools/build tree wasn't excluded. However,
it also highlighted a bug in the grep, so refactored.

Change-Id: Ie0afa5151a1e48fdfa333e883077287c19bcda4b
Signed-off-by: Christopher Ferris <b3041279349bcb20974a27fd07c65415cf2b925e@us.ibm.com>

tkuhrt/fabric,thakkarparth007/fabric,mffrench/fabric,cophey/fabric,chrisguoado/fabric,mffrench/fabric,mffrench/fabric,manish-sethi/fabric,cophey/fabric,mffrench/fabric,thakkarparth007/fabric,phariel/fabric,muralisrini/fabric,Ryan--Yang/fabric,stemlending/fabric,chrisguoado/fabric,manish-sethi/fabric-sidedb,magg/fabric,lukehuangch/fabric,magg/fabric,cophey/fabric,cophey/fabric,ckeyer/fabric,mqshen/fabric,kchristidis/fabric,muralisrini/fabric,ibmmark/fabric,magg/fabric,binhn/fabric,mqshen/fabric,tkuhrt/fabric,mffrench/fabric,kchristidis/fabric,Ryan--Yang/fabric,chrisguoado/fabric,mqshen/fabric,thakkarparth007/fabric,phariel/fabric,cophey/fabric,lukehuangch/fabric,stemlending/fabric,ibmmark/fabric,chrisguoado/fabric,phariel/fabric,thakkarparth007/fabric,manish-sethi/fabric-sidedb,mffrench/fabric,tkuhrt/fabric,mffrench/fabric,Ryan--Yang/fabric,ckeyer/fabric,xixuejia/fabric,Ryan--Yang/fabric,ibmmark/fabric,phariel/fabric,manish-sethi/fabric-sidedb,blockc/fabric,tkuhrt/fabric,phariel/fabric,mqshen/fabric,jimthematrix/fabric,chrisguoado/fabric,thakkarparth007/fabric,ibmmark/fabric,Ryan--Yang/fabric,manish-sethi/fabric,thakkarparth007/fabric,lukehuangch/fabric,blockc/fabric,blockc/fabric,lukehuangch/fabric,mqshen/fabric,xixuejia/fabric,lukehuangch/fabric,cophey/fabric,Ryan--Yang/fabric,kchristidis/fabric,ibmmark/fabric,xixuejia/fabric,phariel/fabric,ckeyer/fabric,blockc/fabric,hyperledger/fabric,kchristidis/fabric,Ryan--Yang/fabric,kchristidis/fabric,chrisguoado/fabric,blockc/fabric,chrisguoado/fabric,lukehuangch/fabric,blockc/fabric,magg/fabric,magg/fabric,jimthematrix/fabric,ckeyer/fabric,kchristidis/fabric,thakkarparth007/fabric,binhn/fabric,blockc/fabric,ckeyer/fabric,tkuhrt/fabric,phariel/fabric,stemlending/fabric,manish-sethi/fabric-sidedb,magg/fabric,magg/fabric,ckeyer/fabric,manish-sethi/fabric-sidedb,hyperledger/fabric,ckeyer/fabric,lukehuangch/fabric,ibmmark/fabric,ibmmark/fabric,tkuhrt/fabric,muralisrini/fabric,manish-sethi/fabric-sidedb,kchristidis/fabric,tkuhrt/fabric,manish-sethi/fabric-sidedb,stemlending/fabric,cophey/fabric,binhn/fabric,mqshen/fabric,mqshen/fabric