Added new help docs, added gitignore directory and fixed an issue wit…

…h creating properties in a directory that does not exist

.gitignore

@@ -38,3 +38,4 @@ logs/*
 
 /default.properties
 /help.pdf
+.opal/

build.gradle

@@ -103,6 +103,7 @@ clean.doFirst {
     delete 'license.pdf'
     delete 'help.pdf'
     delete 'logs'
+    delete '.opal'
 }
 
 repositories {

src/main/java/com/codedead/opal/controller/SettingsController.java

@@ -58,6 +58,12 @@ public void createDefaultProperties() throws IOException {
         try (final InputStream is = getClass().getClassLoader().getResourceAsStream(getPropertiesResourceLocation())) {
             if (is != null) {
                 logger.info("Creating default properties file at {}", getPropertiesFileLocation());
+                try {
+                    final Path p = Paths.get(new File(propertiesPath.toString()).getParent());
+                    Files.createDirectories(p);
+                } catch (final IOException ex) {
+                    logger.error("Could not create the parent directories for the properties file", ex);
+                }
                 Files.copy(is, propertiesPath);
             } else {
                 throw new IOException(String.format("Could not load default properties from application resources (%s)!", getPropertiesResourceLocation()));