Xcode6中增加空工程模板

Add OC category templates to Xcode 6，pls modify PROJECT_TEMPLATES_PATH and FILE_TEMPLATES_PATH as your need. ```sh # !/bin/sh SAVEIFS=$IFS IFS=$(echo -en "\n\b") PROJECT_TEMPLATES_PATH="/Applications/Xcode6-Beta3.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Templates/Project Templates/iOS/Application" FILE_TEMPLATES_PATH="/Applications/Xcode6-Beta3.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Templates/File Templates/Source" EMPTY_APPLICATION_PATH="$PWD/Empty Application.xctemplate" OC_CATEGORY_PATH="$PWD/Objective-C category.xctemplate" OC_PROTOCOL_PATH="$PWD/Objective-C protocol.xctemplate" OC_EXTENSION_PATH="$PWD/Objective-C class extension.xctemplate" cp -R $EMPTY_APPLICATION_PATH $PROJECT_TEMPLATES_PATH cp -R $OC_CATEGORY_PATH $FILE_TEMPLATES_PATH cp -R $OC_PROTOCOL_PATH $FILE_TEMPLATES_PATH cp -R $OC_EXTENSION_PATH $FILE_TEMPLATES_PATH IFS=$SAVEIFS ```