Lockable renamed to Lock (#219)

Also changed usage from unique_ptr to class value.

TactilityCore/Source/Lock.cpp

@@ -0,0 +1,13 @@
+#include "Tactility/Lock.h"
+
+namespace tt {
+
+std::unique_ptr<ScopedLock> Lock::scoped() const {
+    return std::make_unique<ScopedLock>(*this);
+}
+
+ScopedLock Lock::asScopedLock() const {
+    return ScopedLock(*this);
+}
+
+}

TactilityCore/Source/Lockable.cpp

@@ -1,13 +0,0 @@
-#include "Tactility/Lockable.h"
-
-namespace tt {
-
-std::unique_ptr<ScopedLockableUsage> Lockable::scoped() const {
-    return std::make_unique<ScopedLockableUsage>(*this);
-}
-
-ScopedLockableUsage Lockable::asScopedLock() const {
-    return ScopedLockableUsage(*this);
-}
-
-}