BACKLOG-1214 composer post install scripts are now Mac compatible

Author: lucasvanlierop

bin/composer/shindig-post-install.sh

@@ -33,4 +33,4 @@ rm -rf vendor/apache/shindig/build.xml \
 cd vendor/apache
 find . -name '*.php' \
 -print0  | \
-xargs -0 sed --regexp-extended --in-place "s#require(_once)?\ '[^;]*;##g"
+xargs -0 sed -E -i -e "s#require(_once)?\ '[^;]*;##g"

bin/composer/zend-framework-post-install.sh

@@ -13,4 +13,4 @@ cd $ROOT_DIR
 
 cd vendor/zendframework
 find . -name '*.php' -print0  | \
-xargs -0 sed --regexp-extended --in-place "s#(include|require)_once[^;]*\.php['\"][)]?;##g"
+xargs -0 sed -E -i -e "s#(include|require)_once[^;]*\.php['\"][)]?;##g"