fix(svn): ensure we have defaults for old .ini files and upgrades

fix(svn-ssh): fixed svn ssh wrapper

feat(svn-config): updated with the latest changes.

feat(svn-config): moved svn related config keys to *.ini file. Fixes: RCCE-60

dev(makefile): hide prompt info on dev sh env

refactor(ssh-wrapper): changed SSHVcsServer to SshVcsServer, updated call_service_api method.

feat(ssh-wrapper-speedup): major rewrite of code to address imports problem with ssh-wrapper-v2 - use bootstrapped settings rather than config - use more code split to make sure we don't import heavy code

fix(pycurl): report nicer error log on failed calls in pycurl

statsd: added special repr for statsdclient for nicer debug

fix(pycurl): added missing __all__ imports