Add driver

src/main/scala/eu/nomad_lab/parsers/GPAWParser.scala

+package eu.nomad_lab.parsers
+import eu.nomad_lab.DefaultPythonInterpreter
+import org.{json4s => jn}
+
+object GPAWParser extends SimpleExternalParserGenerator(
+  name = "GPAWParser",
+  parserInfo = jn.JObject(
+    ("name" -> jn.JString("GPAWParser")) ::
+      ("version" -> jn.JString("1.0")) :: Nil),
+  mainFileTypes = Seq("application/tar"),
+  mainFileRe = "",
+  cmd = Seq(DefaultPythonInterpreter.python2Exe(), "${envDir}/parsers/gpaw/parser/parser-gpaw/parser.py",
+    "${mainFilePath}"),
+  resList = Seq(
+    "parser-gpaw/parser.py",
+    "parser-gpaw/tar.py",
+    "parser-gpaw/setup_paths.py",
+    "nomad_meta_info/common.nomadmetainfo.json",
+    "nomad_meta_info/meta_types.nomadmetainfo.json",
+    "nomad_meta_info/gpaw.nomadmetainfo.json"
+  ) ++ DefaultPythonInterpreter.commonFiles(),
+  dirMap = Map(
+    "parser-gpaw" -> "parsers/gpaw/parser/parser-gpaw",
+    "nomad_meta_info" -> "nomad-meta-info/meta_info/nomad_meta_info"
+  ) ++ DefaultPythonInterpreter.commonDirMapping()
+) {
+  override def isMainFile(filePath: String, bytePrefix: Array[Byte], stringPrefix: Option[String]): Option[ParserMatch] = {
+   if (filePath.endsWith(".gpw"))
+      Some(ParserMatch(mainFileMatchPriority, mainFileMatchWeak))
+   else
+      None
+  }
+}