bmon: remove blank line
Clean up duplicated head specs
Use compact form of head where possible
Use regular if statements
virtualpg: update to version 1.0.1

- Upgrade to version 1.0.1
- Take advantage of compile options for non-canonical postgresql
  installs
- Fix link file extension to use dylib
- Add test of loading extension for sqlite3
- Closes #32042
virtualpg: tweak comments to explain fix

Change comment copied from the spatialite formula so that it refers
specifically to virtualpg rather than spatialite.
virtualpg: add 1.0.1 bottle.