Merge tag 'v4.12.0'

Release of version 4.12.0.

cmake @ ee7a773c

-Subproject commit 3a52692a40839b10f38352c1b06ccfebc0b53f36
+Subproject commit ee7a773c5c23f83dd21eb0ccfa96277e068b0456

package.xml

 <?xml version='1.0'?>
  <package format='2'>
  <name>hpp-constraints</name>
- <version>4.11.0</version>
+ <version>4.12.0</version>
  <description>Definition of basic geometric constraints for motion planning </description>
 
  <maintainer email='hpp@laas.fr'>Joseph Mirabel</maintainer>