Add acoustic detections

[sfregosi]

• [x] Create function to pull detections from sql database
• [x] Add to summary table
• [x] Integrate into run.r
• [x] Add to map - created second map of acoustic detections
• [x] Full test of run.r

[sfregosi]

Completed

• draft of function
• integration of function run into run.r
• integration of ad into summary table

Still need to test this on a full run, but want to wait until folder naming stuff is worked out #19

All changes are on branch 20-acoustics

[sfregosi]

Completed final run with output of two maps. All looks ok ready for pull request