Put transaction limit on trans_summary report.

Totals presented in report still fully reflect
date range, but the number of transactions displayed
are limited by a constant in the settings.py file
Small update to transactions summary report.

Just minor update to make transaction summary limit
message more visible.
Fixed CSS style issue on account pages
Added non-member account type to accounttype template tag
New account type template tag: Staff
Merge branch 'master' into new_workshift_policies

Conflicts:
	mess/settings.py