Changes version to 0.2.
Add dependency to simple-escp 0.3.
Replace graphic mode preview with text mode preview from simple-escp.
Add auditing features that stores user's name that create or update domain objects.
Display user name who creates the domain object in simple-escp reports.
Add auditing information to purchase order, sales and points reimbursement view.
Fixes overflowed report.
Send stacktrace to server when exception is raised and application is started.