WIP began work on CLI.

cli/build.gradle

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+buildscript {
+    repositories {
+        mavenLocal()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'ch.raffael.pegdown-doclet:pegdown-doclet:1.2'
+    }
+}
+
+apply plugin: 'java'
+apply plugin: 'groovy'
+apply plugin: 'ch.raffael.pegdown-doclet'
+apply plugin: 'war'
+
+dependencies {
+  compile localGroovy()
+  compile 'ch.qos.logback:logback-classic:1.1.3'
+  compile 'ch.qos.logback:logback-core:1.1.3'
+  compile 'org.slf4j:slf4j-api:1.7.14'
+  compile 'com.offbytwo:docopt:0.6.0.20150202'
+  compile project(":service")
+
+  testCompile 'junit:junit:4.12'
+
+}

cli/src/main/groovy/com/jdbernard/wdiwtlt/cli/CommandLineInterface.groovy

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+package com.jdbernard.wdiwtlt.interfaces
+
+public class CommandLineInterface {
+
+    public static final VERSION = "alpha"
+
+    public static final def DOC = """\
+wdiwtlt v$VERSION
+
+Usage:
+    wdiwtlt [options]
+
+Options:
+    -L --library-root <root-dir>
+
+        The path to a local media library directory. Providing a local library
+        causes wdiwtlt to run in local mode.
+
+Configuration:
+"""
+
+    public static void main(String[] args) {
+
+        def opts = new Docopt(DOC).withVersion("wdiwtlt v$VERSION").parse(args)
+
+        println opts
+    }
+}