Create Harvest_Landsat8_part2.py

Update SDE database. 
Query Landsat 8 imagery scene data from MySQL database for new scenes and insert into SDE spatial database.

# Query data in MySQL table to retrieve scenes not in SDE database (rows with status = 0)
# Read and format query results to be inserted into SDE database
#**Run tool to Create Polygon for Scene (removed)
# Update SDE database with new Scenes
# Update field attribute 'status' to '1' in MySQL