added new isolator for PB

Merge pull request #53 from UBC-Thunderbots/addedcomparatoragain adding breakbeam comparator (after pulling from master branch).

updated and corrected comparator part number in comment property

adding breakbeam comparator (after pulling from master branch).

added all the values to the resistors

Merge pull request #48 from UBC-Thunderbots/adding-TL3315-PB added TL3315 SW and fixed 0603 footprint linking

reversed pins on switch

Merge pull request #51 from UBC-Thunderbots/Alan_Xue Updated Capacitors

Update capacitor_database.mdb

Changed the display of values