version: Drop the micro version number

version: Drop the micro version number

As per discussions with Lennart, we will be moving to a two-component version
number scheme when the next release is made from git master branch.

This means we will be dropping the micro version component (although
for compatibility, it will remain defined as 0 in version.h).

For more information, please see the announcement here:
 http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/7921