Making first progress for #22
Printing billing address on eligible tickets
Amended .gitignore
Final updates: If not given yet, billing address can be entered before printing the tickets
fixing indention. m(
reordered functions to make merging easier
merged billingaddress with master
Merge pull request #25 from CCCO/billingaddress

merged billingaddress branch into master.
Merge branch 'master' into heavy-refactoring