Updated svn checkout to use HTTPS protocol. Resolves error:
svn: E175002: Unable to connect to a repository at URL 'http://svn.civicrm.org/l10n/trunk'
svn: E175002: OPTIONS request on '/l10n/trunk' failed: 503 Service Unavailable
Merge pull request #40 from ginkgostreet/change_svn_protocol

Updated svn checkout to use HTTPS protocol.