Rename remote_conf_params -> repo_conf_params

Changed for consistency with the other remote fileserver backends
Add wait_lock() to fileserver/__init__.py

This is common to both hgfs and gitfs, no need to define it in both.
hgfs: fix ref to _wait_lock()
gitfs: fix ref to _wait_lock()
Add new config params
Add svnfs mountpoints and per-remote config params

This commit adds the mountpoints and per-remote config params recently
added for gitfs and hgfs. Additionally, it makes the paths for trunk,
branches, and tags configurable, both on a global and per-remote basis.
Add svnfs params to master config docs
Fix jenkins failures:

See the following link for more information:

http://jenkins.saltstack.com/job/salt-pr-lint/1366/violations/#pylint
Merge pull request #10605 from terminalmage/svnfs-mountpoints

Add svnfs mountpoints and per-remote params