remove touch module from build

Author: towerz

README.md

@@ -2,7 +2,7 @@
 
 [Zepto.js](https://github.com/madrobby/zepto) custom build used by [Clappr player](https://github.com/clappr/clappr).
 
-Zepto is build with `ajax callbacks deferred event ie selector touch zepto` modules.
+Zepto is build with `ajax callbacks deferred event ie selector zepto` modules.
 
 ## Building
 

scripts/build-clappr-zepto

@@ -5,7 +5,10 @@ SCRIPT_FILE=$(cd `dirname "${BASH_SOURCE[0]}"` && pwd)/`basename "${BASH_SOURCE[
 SCRIPT_DIR=$(dirname "${SCRIPT_FILE}")
 SCRIPT_NAME=$(basename "$SCRIPT_FILE")
 
-ZEPTO_MODULES="ajax callbacks deferred event ie selector touch zepto"
+if [[ -z "$ZEPTO_MODULES" ]]; then
+   ZEPTO_MODULES="ajax callbacks deferred event ie selector zepto"
+fi
+
 OUTPUT_PATH=$CURRENT_DIR    # Default is current folder
 COMMIT=""