default reservation to 30 minutes

If the reserve interval is 1 minute and no min_reserve_mins, the
default reservation would be 1 minute.
[#79455] Do not move reservation start time when starting in grace period
make spring and factory girl play better together

https://github.com/rails/spring/issues/21#issuecomment-23282679
Merge pull request #94 from tablexi/default-reservation-length

default reservation to 30 minutes
Merge pull request #95 from tablexi/reservation-start-in-grace-79455

[#79455] Do not move reservation start time when starting in grace period
fix localization of attribute on reservations show
Redirect from Reservations#edit to #show if invalid for update

Previous behavior was to show a 404
Merge pull request #96 from tablexi/redirect-on-reservation-invalid-for-update

Redirect from Reservations#edit to #show if invalid for update
[#79529] Instrument time management text change
[#79063] Instrument utilization report inaccurate

Remove drop down from instrument utilization report
Use fulfilled_at instead of reserve_start_at for instrument utilization
report
more explicit variable name for form builder
Merge pull request #97 from tablexi/instrument-utilization-79063

[#79063] Instrument utilization report inaccurate
[#79063] Instrument utilization report bugs

reservations were using integer math for converting to hours in
instrument utilization report causing inaccurate data

Conflicts:
	app/helpers/reports_helper.rb
instrument utilization report feedback from pull request
Merge pull request #98 from tablexi/instrument-utilization-79063

[#79063] Instrument utilization report bugs
Clean up and share view code for purchase orders and credit cards
fix formatting of lower controls for facility reservation and order tables
Merge pull request #99 from tablexi/formatting-fixes-79699

[#79699] Formatting fixes
revise overage price calculations

http://pm.tablexi.com/issues/79737
don't reassign actual_start_at, pass in as param to #calculate_overage

http://pm.tablexi.com/issues/79737