Add JIT base provision and enrollment handlers #230

Purpose

             return templateName;
         }
         String defaultTemplateName = "default" + separator + prefix;
         File defaultTemplate = new File(CarbonUtils.getCarbonHome() + File.separator + "repository" + File.separator

             Document JITConfigurationDoc = documentBuilder.parse(JITConfigurationFile);
             JITConfigurationDoc.getDocumentElement().normalize();
             Element enrollmentScopes;
             if (Objects.equals(JITEnrollmentInfo.getOs(), "android")) {

      * @return boolean true when successful initialization, otherwise false
      * @throws JITProvisionException throws when error occurred
      */
     private boolean initializeJITConfigurations() throws JITProvisionException {

     private String getTemplateName(String deviceType, String prefix, String separator) throws NoSuchFileException {
         String templateName = deviceType + separator + prefix;
         File template = new File(CarbonUtils.getCarbonHome() + File.separator + "repository" + File.separator

             return defaultTemplateName;
         }
         String msg = "Didn't found template file for " + templateName;