text manipulation bug fixes

fix error with selecting latest ruby version
fix error with selecting latest node version

script/gems.sh

@@ -124,7 +124,7 @@ qc_install_ruby() {
   # export MAKE=make
   # install the latest stable ruby version
-  ruby_global_v=$(~/.rbenv/bin/rbenv install --list | tr -d ' ' | grep "^2.*.[0..9]$" | tail -1)
+  ruby_global_v=$(~/.rbenv/bin/rbenv install --list | tr -d ' ' | grep "^2.*\.[0-9]$" | tail -1)
   [ $? -eq 0 ] && ~/.rbenv/bin/rbenv install "$ruby_global_v"
   # set global ruby version

script/npms.sh

@@ -16,7 +16,7 @@
 # --------------------------  SETUP PARAMETERS
-[ -z "$QC_LTS" ] && QC_LTS=6
+[ -z "$MAJOR_NODE_V" ] && MAJOR_NODE_V=6
 [ -z "$NVM_V" ] && NVM_V=0.33.2
 # --------------------------  MISSING PROGRAM CHECKS
@@ -42,8 +42,8 @@ qc_nvm() {
   # make sure nvm is installed
   lkm_has nvm || lkm_error "nvm install failed"
-  # get long term support version
-  node_v=$(nvm ls-remote | grep "v${QC_LTS}.*" | tail -1 | tr -d ' ')
+  # get latest version
+  node_v=$(nvm ls-remote | grep "v${MAJOR_NODE_V}.*\.*" | tr -d ' ' | cut -d'(' -f1 | tail -1)
   # install nodejs
   nvm install "$node_v"