[IMP] base: better labels for ir.sequence

Increment Number and Number Padding do not indicate properly the meaning
of the field.

openerp/addons/base/i18n/base.pot

@@ -9627,14 +9627,14 @@ msgstr ""
 
 #. module: base
 #: model:ir.model.fields,field_description:base.field_ir_sequence_number_increment
-msgid "Increment Number"
+msgid "Step"
 msgstr ""
 
 #. module: base
 #: code:addons/base/ir/ir_sequence.py:20
 #: code:addons/base/ir/ir_sequence.py:43
 #, python-format
-msgid "Increment number must not be zero."
+msgid "Step must not be zero."
 msgstr ""
 
 #. module: base
@@ -11802,7 +11802,7 @@ msgstr ""
 
 #. module: base
 #: model:ir.model.fields,field_description:base.field_ir_sequence_padding
-msgid "Number Padding"
+msgid "Sequence Size"
 msgstr ""
 
 #. module: base

openerp/addons/base/ir/ir_sequence.py

@@ -17,7 +17,7 @@ def _create_sequence(cr, seq_name, number_increment, number_next):
     There is no access rights check.
     """
     if number_increment == 0:
-        raise UserError(_('Increment number must not be zero.'))
+        raise UserError(_('Step must not be zero.'))
     sql = "CREATE SEQUENCE %s INCREMENT BY %%s START WITH %%s" % seq_name
     cr.execute(sql, (number_increment, number_next))
 
@@ -40,7 +40,7 @@ def _alter_sequence(cr, seq_name, number_increment=None, number_next=None):
     There is no access rights check.
     """
     if number_increment == 0:
-        raise UserError(_("Increment number must not be zero."))
+        raise UserError(_("Step must not be zero."))
     cr.execute("SELECT relname FROM pg_class WHERE relkind = %s AND relname=%s", ('S', seq_name))
     if not cr.fetchone():
         # sequence is not created yet, we're inside create() so ignore it, will be set later
@@ -112,9 +112,9 @@ class ir_sequence(models.Model):
                                         required=True, string='Next Number', default=1,
                                         help="Next number that will be used. This number can be incremented "
                                         "frequently so the displayed value might already be obsolete")
-    number_increment = fields.Integer('Increment Number', required=True, default=1,
+    number_increment = fields.Integer('Step', required=True, default=1,
                                       help="The next number of the sequence will be incremented by this number")
-    padding = fields.Integer('Number Padding', required=True, default=0,
+    padding = fields.Integer('Sequence Size', required=True, default=0,
                              help="Odoo will automatically adds some '0' on the left of the "
                              "'Next Number' to get the required padding size.")
     company_id = fields.Many2one('res.company', 'Company',