DeviceManager: Initial class with DeviceSpecParser

Hopefully by the end of tonight we should be done with the dev
spec parser.

hcore/include/deviceManager/deviceSpecParser.h

@@ -0,0 +1,12 @@
+#ifndef DEVICESPECPARSER_H
+#define DEVICESPECPARSER_H
+
+#include <string>
+#include <vector>
+#include <utility>
+
+std::vector<std::string> readDeviceFile(const std::string& filename);
+std::vector<std::pair<std::string, std::string>> parseDeviceSpecifiers(
+    const std::vector<std::string>& deviceStrings);
+
+#endif // DEVICESPECPARSER_H