TTV 1.0.0 Alpha 2 Release

An updated alpha 2 release of TTV is available at [1], with prebuilt binary
and source artifacts at [2].

This update fixes the following issues:

   - Issue #20 <https://github.com/skynav/ttv/issues/20> - #PCDATA should
   be filtered in metadata element items
   - Issue #23 <https://github.com/skynav/ttv/issues/23> - Non-standard
   attributes in TT namespaces
   - Issue #24 <https://github.com/skynav/ttv/issues/24> - Unable to
   resolve relative URI on Windows platform

Thanks to Andreas Tai (IRT) and Claudio Orsini (Ampersand) for reporting
these issues.

[1] https://github.com/skynav/ttv/tree/ttv-1.0.0a2
[2] https://github.com/skynav/ttv/tree/ttv-1.0.0a2/dst