check that descriptions dont end with a '.', for non release builds.

this is annoying for translators so rather then correct along the way which gives merge conflicts for branches - print a complaint message.

release/scripts/startup/bl_operators/uvcalc_smart_project.py

@@ -1105,7 +1105,8 @@ from bpy.props import FloatProperty
 
 
 class SmartProject(Operator):
-    '''This script projection unwraps the selected faces of a mesh. it operates on all selected mesh objects, and can be used unwrap selected faces, or all faces.'''
+    '''This script projection unwraps the selected faces of a mesh. ''' \
+    '''it operates on all selected mesh objects, and can be used unwrap selected faces, or all faces'''
     bl_idname = "uv.smart_project"
     bl_label = "Smart UV Project"
     bl_options = {'REGISTER', 'UNDO'}