Teru KAMOGASHIRA updates Freeverb3_vst to v2.6 and releases Mac version

Teru KAMOGASHIRA has updated Freeverb3_vst to version 2.6.

Changes:

• Mac OS X (10.4~ PPC/x86) support was added.
• Multithread latency processing added.
• The configuration files were switched to the XML files.
• Some small enhancements were made.