Quick update to counts and error logging in search.
To get explicit information about what caused the exception.
Correcting the exception handling.
Added the documents describing the results of the API performance and "count" analyses.
Merge pull request #458 from VertNet/feature/apidocs

Added the documents describing the results of the API performance and "c...
Merge branch 'master' of https://github.com/VertNet/webapp
Resolving conflicts.