[gxml] Added interface SerializableProperty

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 68c5cad1c0749f6acc7773c9506cbb0d3c6a1b22
Author: Daniel Espinosa <esodan gmail com>
Date:   Sat Sep 26 13:57:09 2015 -0700

    Added interface SerializableProperty

 configure.ac     |    2 +-
 gxml/Makefile.am |    1 +
 test/tw-test.xml |    2 --
 3 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5a0577a..be28537 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@
 # Release Version
 m4_define([project_major_version], [0])
 m4_define([project_minor_version], [6])
-m4_define([project_micro_version], [1])
+m4_define([project_micro_version], [2])
 m4_define([project_nano_version], [0])
 
 # LT_VERSION
diff --git a/gxml/Makefile.am b/gxml/Makefile.am
index e2aed20..959721a 100644
--- a/gxml/Makefile.am
+++ b/gxml/Makefile.am
@@ -55,6 +55,7 @@ sources = \
        libxml-NamespaceAttrNodeList.vala \
        libxml-Text.vala \
        Serializable.vala \
+       SerializableProperty.vala \
        Enumeration.vala \
        SerializableObjectModel.vala \
        SerializableJson.vala \