[IMP]improve help of duration field of crm phonecall.

bzr revid: darshankalola@gmail.com-20130614060520-mla6kv106gkxz4lx

addons/crm/crm_phonecall.py

@@ -58,7 +58,7 @@ class crm_phonecall(base_state, osv.osv):
         # phonecall fields
         'name': fields.char('Call Summary', size=64, required=True),
         'active': fields.boolean('Active', required=False),
-        'duration': fields.float('Duration'),
+        'duration': fields.float('Duration', help='Duration in minutes and seconds.'),
         'categ_id': fields.many2one('crm.case.categ', 'Category', \
                         domain="['|',('section_id','=',section_id),('section_id','=',False),\
                         ('object_id.model', '=', 'crm.phonecall')]"),

addons/crm/crm_phonecall_view.xml

@@ -104,7 +104,7 @@
                         <field name="user_id"/>
                         <label for="duration"/>
                         <div>
-                        	<field name="duration" widget="float_time" class="oe_inline" style="vertical-align:baseline"/> <b> mins</b>
+                        	<field name="duration" widget="float_time" class="oe_inline" style="vertical-align:baseline"/> <b> min(s)</b>
                         </div>
                         <field name="section_id" colspan="1" widget="selection"
                                 groups="base.group_multi_salesteams"/>