circular stitching crash (July 19)

- circular stitching familiarization: specify inner/outer diameter (circular or annulus), optionally can select "learn" to manually pinpoint outer left edge/top edge/bot edge, etc., where it seems we were sometimes able to crash Vision, and once crash Windows in this manual mode (suspected it may be due to improper manual specification of annulus)
- blue screen: "The problem seems to be caused by the following file: bcam.sys"
- PAGE_FAULT_IN_NONPAGED_AREA
- Technical Information: STOP: 0x00000050 (0xE0617000, 0x00000001, 0xF77192DD, 0x00000000)
- bcam.sys
- Address F77192DD
- Base at F7712000
- Date stamp 416ffae0