modify rdoc in Worksheet#add_sparkline
rdoc modify in Worksheet#add_table
rdoc modify in Worksheet's method list.
rdoc modify in Worksheet#data_validation
rdoc modify in Worksheet's method list.
rdoc modify in Worksheet#conditional_formatting
still on going
on_going
worksheet.rb : move PAGE SET-UP METHODS rdoc.
Merge branch 'modify_rdoc'