Intall libxen-dev in Travis CI scripts
Merge pull request #310 from samoht/fix-travis

Intall libxen-dev in Travis CI scripts
Fix the generation of foreign modules (which are not a functor)
Merge pull request #293 from samoht/modules

Fix the generation of foreign modules (which are not a functor)
Update CHANGES
Merge branch 'master' of github.com:mirage/mirage

Conflicts:
	CHANGES