moduleid.development.directory VM argument should load classes from dev folder

When a developer specifies the uiFramework.development.moduleid VM argument, the module class loader should load classes from this folder instead of the compiled omod. This improves the development experience by not having to redeploy the module. This gives us the ability to take advantage of spring-loaded by having a set of VM arguments like:

-DuiFramework.development.xforms=/Projects/openmrs/xforms -javaagent:/Projects/springloaded-1.2.5.RELEASE.jar -noverify -Dspringloaded=inclusions=org.openmrs.module.xforms..*