update changelog

changelog.txt

@@ -1,4 +1,15 @@
-* NEW RELEASES FORMAT HAS REPLACED CHANGELOG *
+0.4.7 to 0.4.8
+==============
+
+* fe44006 update changelog
+* df17ec5 bump version to new one
+* bbca5db update armory tool and tests
+* 441af80 fix error with new sqlite variable limit, can now be configured in config.json
+* 1865f4c debug and improvements
+* 873d5ae add possibility to create project from armory template
+* e103e30 make img directory optional
+* f074021 make img directory optional
+* 0b65137 handle empty raw graph
 
 0.4.5 to 0.4.6
 ==============
@@ -184,7 +195,7 @@ Backward compatibility breaks
 as been removed. Transaction now inherit by default from the BaseTransaction class located in the oct-turrets package
 * A new command has been added `oct-pack-turrets` that will create a tar file from a test folder containing all files and configuration
 required for running a turret. This command will generate a tar archive per turret in your project `config.json` file
-## Last update Thu Sep  8 15:01:32 2016 VALETTE Emmanuel
+## Last update Thu Sep  8 16:25:46 2016 VALETTE Emmanuel
 * You can hotplug a turret while a test is running. This turret will appear in the final report
 * The HQ will sleep for 1 second after the creation of the sockets to wait for them
 * Remove the GenericTransaction class in oct.core.generic