[REM] : remove wizard of schedule/log a call ,
[IMP] : Rename in Opportunity and in Partner form the 'Meeting' into 'Schedule a Meeting' ,
[FIX][IMP]: fix traceback and imp code for hide schduledcall menu
[IMP]: Test case
[MERGE]: with trunk
[IMP]: Rename Hide scheduled call menu to Show scheduled call menu because by default menu is hidden
[FIX]: traceback when create a calls
[IMP]: help
[IMP]: Link lead/oppo with newly created calls , using call button
[MERGE] : with trunk
[MERGE] : with lp:~openerp-dev/openobject-addons/trunk-merge-meeting-schedulecall-aja
[REN] : rename button meetings to schedule mettings
[FIX] : scheduled meeting action not found 
[ADD] : field group scheduled calls menu
[IMP] : code
[MERGE] merge with main branch
[IMP] improve code
[IMP] improve code
[MERGE] merge with main branch
[IMP] improve code
[IMP] improve code
[IMP] imporve coding convention according to PEP8