Provides documentation for some of the properties and methods in target.py
Provides documentation for some of the properties and methods in target.py

The type annotations help when using an IDE like IntelliJ

Testing Done:
There should be no code changes.  running CI

Bugs closed: 707

Reviewed at https://rbcommons.com/s/twitter/r/1196/

manasapte/pants,UnrememberMe/pants,jtrobec/pants,qma/pants,di0spyr0s/pants,landism/pants,jessrosenfield/pants,dgomez10/xanon,baroquebobcat/pants,qma/pants,UnrememberMe/pants,pantsbuild/pants,scode/pants,laurentgo/pants,foursquare/pants,pombredanne/pants,peiyuwang/pants,manasapte/pants,peiyuwang/pants,baroquebobcat/pants,UnrememberMe/pants,mateor/pants,twitter/pants,pombredanne/pants,di0spyr0s/pants,fkorotkov/pants,ericzundel/pants,manasapte/pants,slyphon/pants,foursquare/pants,slyphon/pants,tdyas/pants,fkorotkov/pants,ericzundel/pants,kwlzn/pants,cevaris/pants,15Dkatz/pants,laurentgo/pants,twitter/pants,cevaris/pants,baroquebobcat/pants,peiyuwang/pants,ity/pants,kwlzn/pants,qma/pants,baroquebobcat/pants,baroquebobcat/pants,slyphon/pants,megaserg/pants,baroquebobcat/pants,pgroudas/pants,slyphon/pants,sid-kap/pants,wisechengyi/pants,dbentley/pants,fkorotkov/pants,pombredanne/pants,jtrobec/pants,gmalmquist/pants,TansyArron/pants,kwlzn/pants,ericzundel/pants,landism/pants,dbentley/pants,15Dkatz/pants,areitz/pants,gmalmquist/pants,megaserg/pants,manasapte/pants,benjyw/pants,slyphon/pants,UnrememberMe/pants,dgomez10/xanon,digwanderlust/pants,dgomez10/xanon,foursquare/pants,jsirois/pants,scode/pants,foursquare/pants,digwanderlust/pants,scode/pants,ericzundel/pants,pantsbuild/pants,UnrememberMe/pants,wisechengyi/pants,landism/pants,baroquebobcat/pants,digwanderlust/pants,megaserg/pants,fkorotkov/pants,wisechengyi/pants,fkorotkov/pants,benjyw/pants,sameerparekh/pants,lahosken/pants,TansyArron/pants,pantsbuild/pants,cevaris/pants,landism/pants,megaserg/pants,sameerparekh/pants,jessrosenfield/pants,dgomez10/xanon,jessrosenfield/pants,tejal29/pants,sid-kap/pants,UnrememberMe/pants,laurentgo/pants,qma/pants,pgroudas/pants,tejal29/pants,pombredanne/pants,digwanderlust/pants,sameerparekh/pants,dbentley/pants,lahosken/pants,tdyas/pants,TansyArron/pants,landism/pants,qma/pants,dbentley/pants,15Dkatz/pants,areitz/pants,pombredanne/pants,lahosken/pants,dgomez10/xanon,dgomez10/xanon,benjyw/pants,benjyw/pants,dgomez10/xanon,peiyuwang/pants,pantsbuild/pants,twitter/pants,dbentley/pants,sid-kap/pants,pgroudas/pants,jessrosenfield/pants,dgomez10/xanon,qma/pants,slyphon/pants,pombredanne/pants,benjyw/pants,megaserg/pants,sid-kap/pants,peiyuwang/pants,pantsbuild/pants,fkorotkov/pants,gmalmquist/pants,kslundberg/pants,jtrobec/pants,jsirois/pants,tdyas/pants,ity/pants,benjyw/pants,areitz/pants,manasapte/pants,fkorotkov/pants,tdyas/pants,sameerparekh/pants,cevaris/pants,pgroudas/pants,dturner-tw/pants,digwanderlust/pants,jtrobec/pants,scode/pants,kwlzn/pants,scode/pants,dbentley/pants,kslundberg/pants,areitz/pants,twitter/pants,TansyArron/pants,tdyas/pants,dgomez10/xanon,jessrosenfield/pants,jessrosenfield/pants,15Dkatz/pants,square/pants,foursquare/pants,dturner-tw/pants,ericzundel/pants,ity/pants,square/pants,twitter/pants,mateor/pants,jessrosenfield/pants,tdyas/pants,wisechengyi/pants,dturner-tw/pants,mateor/pants,Gabriel439/pants,mateor/pants,mateor/pants,dgomez10/xanon,dbentley/pants,Gabriel439/pants,square/pants,cevaris/pants,square/pants,jtrobec/pants,jtrobec/pants,ericzundel/pants,digwanderlust/pants,wisechengyi/pants,kslundberg/pants,kwlzn/pants,sameerparekh/pants,kslundberg/pants,twitter/pants,areitz/pants,peiyuwang/pants,pgroudas/pants,foursquare/pants,sid-kap/pants,tdyas/pants,gmalmquist/pants,wisechengyi/pants,UnrememberMe/pants,dturner-tw/pants,twitter/pants,mateor/pants,mateor/pants,cevaris/pants,manasapte/pants,ity/pants,jsirois/pants,gmalmquist/pants,kwlzn/pants,slyphon/pants,di0spyr0s/pants,di0spyr0s/pants,sid-kap/pants,twitter/pants,lahosken/pants,TansyArron/pants,foursquare/pants,ericzundel/pants,pantsbuild/pants,foursquare/pants,foursquare/pants,di0spyr0s/pants,qma/pants,tejal29/pants,areitz/pants,Gabriel439/pants,Gabriel439/pants,lahosken/pants,dturner-tw/pants,dturner-tw/pants,ericzundel/pants,15Dkatz/pants,15Dkatz/pants,gmalmquist/pants,laurentgo/pants,wisechengyi/pants,sameerparekh/pants,tdyas/pants,tejal29/pants,UnrememberMe/pants,megaserg/pants,di0spyr0s/pants,kslundberg/pants,lahosken/pants,sid-kap/pants,manasapte/pants,twitter/pants,Gabriel439/pants,scode/pants,tdyas/pants,laurentgo/pants,ity/pants,pgroudas/pants,baroquebobcat/pants,peiyuwang/pants,areitz/pants,sameerparekh/pants,kslundberg/pants,lahosken/pants,Gabriel439/pants,peiyuwang/pants,di0spyr0s/pants,kwlzn/pants,15Dkatz/pants,pombredanne/pants,scode/pants,ity/pants,15Dkatz/pants,ity/pants,megaserg/pants,landism/pants,landism/pants,dgomez10/xanon,laurentgo/pants,TansyArron/pants,UnrememberMe/pants,benjyw/pants,gmalmquist/pants,mateor/pants,pantsbuild/pants,wisechengyi/pants,lahosken/pants,cevaris/pants,kslundberg/pants,wisechengyi/pants,tejal29/pants,baroquebobcat/pants,dturner-tw/pants,Gabriel439/pants,landism/pants,fkorotkov/pants,TansyArron/pants,jtrobec/pants