use npm ci to install npm packages

force upgrade bootstrap to 4.1.2

Makefile.am

@@ -1,13 +1,13 @@
 SUBDIRS = . capture db viewer parliament release tests
 install-exec-local:
-	npm install
+	npm ci
 	@INSTALL@ -D package.json @prefix@/package.json
 	@INSTALL@ -D package-lock.json @prefix@/package-lock.json
-	(cd @prefix@ ; npm install --production)
+	(cd @prefix@ ; npm ci --production)
 	rm -f @prefix@/package-lock.json
 
 check-local:
-	npm install
+	npm ci
 
 config:
 	@prefix@/bin/Configure

easybutton-build.sh

@@ -18,7 +18,7 @@ PCAP=1.9.0
 CURL=7.61.1
 LUA=5.3.5
 DAQ=2.0.6
-NODE=8.11.4
+NODE=8.12.0
 
 TDIR="/data/moloch"
 DOPFRING=0