pcl: Disable cloud_composer and point_cloud_editor

Qt4 apps are not compatible with boost 1.56, and PCL is not ready
to switch to Qt5 yet.

Fixes #1209.
Closes #1211.
hlaminer: Add dependency to blast

Closes #1206.
vips 7.40.10

Closes #1213.
methpipe 3.3.1 (new formula)

Closes #1207.
ASL: version 20140929.