Added table to store last read date. This permit to set unread messages on first refresh of contact list. We need to handle it at first load too

Note: this is an experimental thing. We need to set this cursor for every conversation to get better precision

appinfo/database.xml

@@ -5,6 +5,30 @@
 	<overwrite>false</overwrite>
 	<charset>utf8</charset>
 
+	<table>
+		<name>*dbprefix*ocsms_user_datas</name>
+		<declaration>
+			<field>
+				<name>user_id</name>
+				<type>text</type>
+				<notnull>true</notnull>
+				<length>64</length>
+			</field>
+			<field>
+				<name>datakey</name>
+				<type>text</type>
+				<notnull>true</notnull>
+				<length>64</length>
+			</field>
+			<field>
+				<name>datavalue</name>
+				<type>text</type>
+				<length>64</length>
+				<notnull>true</notnull>
+			</field>
+		</declaration>
+
+	</table>
 	<table>
 		<name>*dbprefix*ocsms_smsdatas</name>
 		<declaration>

appinfo/info.xml

@@ -5,6 +5,6 @@
     <description>Owncloud SMS app</description>
     <licence>AGPL</licence>
     <author>Loic Blot</author>
-    <version>1.2.0</version>
+    <version>1.2.3</version>
     <requiremin>7</requiremin>
 </info>