Minor fixes and improvements.

Override toString for Targets, so it's easier to use from the outside.
Fix test by overriding notify so log is not filled.

Minor description improvements.

CommandLineClient/src/main/java/com/dslplatform/compiler/client/parameters/Download.java

@@ -187,6 +187,8 @@ public String getShortDescription() {
 
 	@Override
 	public String getDetailedDescription() {
-		return "Always download missing dependencies.";
+		return "Always download missing dependencies.\n" +
+				"Dependencies will be checked for latest version.\n" +
+				"Dependencies will be downloaded through Maven or from DSL Platform website.";
 	}
 }

CommandLineClient/src/main/java/com/dslplatform/compiler/client/parameters/Parse.java

@@ -50,8 +50,8 @@ public String getShortDescription() {
 
 	@Override
 	public String getDetailedDescription() {
-		return "This library doesn't contain parser for DSL.\n" +
-				"Use other libraries for Eclipse or Visual Studio which provide syntax highlighting and basic parsing for DSL.\n" +
+		return "This library uses external parser for DSL. Parser can be started through: DslCompiler.setupServer method.\n" +
+				"Eclipse, IntelliJ IDEA and other IDE plugins use such setup for syntax highlighting.\n\n" +
 				"DSL Platform compiler can be used to validate current DSL. Error descriptions will be provided in case of errors.";
 	}
 }

CommandLineClient/src/main/java/com/dslplatform/compiler/client/parameters/Targets.java

@@ -103,6 +103,11 @@ private static Option from(final String value) {
 			}
 			return null;
 		}
+
+		@Override
+		public String toString() {
+			return value;
+		}
 	}
 
 	private static void listOptions(final Context context) {

CommandLineClient/src/test/java/com/dslplatform/compiler/client/MigrationTest.java

@@ -47,6 +47,11 @@ public void error(final Exception ex) {
 		public boolean canInteract() {
 			return false;
 		}
+
+		@Override
+		public <T> T notify(final String action, final T target) {
+			return target;
+		}
 	}
 
 	static class MockMigration implements CompileParameter {