added page for event posting
added function getAllEventBillings
implemented function getGeneratedEventBillings
fix sql query FROM table
display billing of event
change the database to live weberp
added displayEventBillings function
added page for event company Posting
rename file eventPosting to eventIndividual Posting
change link of event posting
change width of table to 100%
added menus
fix the link of individual event posting
added function getGeneratedCompanyBillings
deleted file