…issing coverage lines column

… generate.py

… the new context.py

…point

…lement

…eError in py3.4

… use it for portability

…ed v1 overwrite call structure.

…rscore)

…sed by other variable fields

… tests.

…skip_to are only specified for variables of type yes_no

…a variable

This reverts commit c83bffc.

# Conflicts:
#	cookiecutter/__init__.py
#	cookiecutter/generate.py
#	cookiecutter/main.py
#	setup.cfg
#	tests/test_main.py