Merge pull request #116 from jbzdak/merge_line_2

Ensure line with no escape problems
Fixed typo in ensure_requeriments_installed()
Added unit test for ensure_requirements_installed. Improved docstring for ensure_requeriments_installed.
Making VirtualenvRole respect the user home when the user is explicitly set - closes #117
Fixed indentation error.
Merge pull request #118 from MerseyViking/master

Function typo fix
Preparing for 0.6.1
Changelog
Pointing to current webpage
Bumping to 0.7.0-dev
Fixing docstrings
Updating docs
Fixing README
MErge upstream
Bugfix for ensure line
Merge branch 'has_line_bugfix' into all_roles

Conflicts:
	provy/core/roles.py
Pip role for Python3