Add geppetto infrastructure and update .gitignore

.gitignore

@@ -0,0 +1,9 @@
+/.gradle
+/metadata.json
+/.rvmrc
+build
+pkg/
+Session.vim
+spec/fixtures
+.*.sw[a-z]
+*.un~

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>concat</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.cloudsmith.geppetto.pp.dsl.ui.modulefileBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.cloudsmith.geppetto.pp.dsl.ui.puppetNature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+	</natures>
+</projectDescription>

Modulefile

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+name 'multi-concat'
+version '0.0.1'
+
+author 'Several'
+license 'Apache 2.0'