install script updates

* fix logging and spacing issues
* update to use bash instead of zsh

install/nginx.sh

@@ -1,13 +1,14 @@
 #!/bin/bash
 
+echo -e "\n\nInstalling nginx"
+echo "=============================="
+
 ######################################################
 # nginx setup
 ######################################################
 
 $DOTFILES=$HOME/.dotfiles
 
-echo "Installing nginx"
-
 # first, make sure apache is off
 sudo launchctl unload -w /System/Library/LaunchDaemons/org.apache.httpd.plist