Bundler: added path globbing
bcfg2-lint: verify Path tags in RequiredAttrs
doc: use path globbing in examples
Proxy: Remove m2crypto fallback

Older clients used to depend on this because there was no backported
python-ssl module available for various platforms. All supported
platforms now appear to either a) have the backported module or b) have
a recent enough version of python to use the builtin ssl module.

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>