WIP on generator configuration and parsing
Finish parsing for generator configuration, plus test stubs for same, and extend text generator
Finish tests for generator parsing and fixes from using them
Fix functional test for changes to benchmarking
Create functional test file for templating
Merge branch 'feature-compatible-variablebinding' into feature-compatible-variablebinding-unstable
Merge branch 'feature-compatible-variablebinding' into feature-compatible-variablebinding-unstable

Conflicts:
	pyresttest/resttest.py
Parse content nodes with flexible templating and tests
Also rename camelCase methods to underscore_delimited
Switch test body reading over to use ContentHandler for flexible templating
Bugfixes and tests for templating
Add context/variable testing to functional tests
Pull validators into separate module
Finish pulling out parsing functions from main resttest body
Finish refactoring operators
Refactor logic and tests into modules
Make request body content objects relative to test file location