alsa-gobject: reorder documentation sections

alsa-project/alsa-gobject pull request #45 was opened from takaswie:

For better documentation, this patchset reorders sections of ALSATimer/ALSASeq documentation.

Request URL : https://github.com/alsa-project/alsa-gobject/pull/45 Patch URL : https://github.com/alsa-project/alsa-gobject/pull/45.patch Repository URL: https://github.com/alsa-project/alsa-gobject