Adding alto features

Adding alto features

1) Feature Tests Pass: https://jenkins.opendaylight.org/releng/job/alto-verify-beryllium/37/
2) Features Comply with Guidelines: https://git.opendaylight.org/gerrit/gitweb?p=alto.git;a=blob;f=alto-release-features/src/main/features/features.xml
	a) Feature Names: Prefixed with 'odl-' : odl-alto-realease
	b) Features Descriptions: Present
	c) Features Start-Levels: No start-levels on <bundle> elements or <feature> elements
3) Features Tested: Features have been tested for functionality with
	a) feature:install odl-alto-release
	b) feature:install odl-integration-compatible-with-all
4) Integration Test Impact - none

Patch Set 3: trigger another build

Change-Id: I3b92e293e819e0cce9de874d7ed8e0ba1bfed8b1
Signed-off-by: Gao Kai <gaok12@mails.tsinghua.edu.cn>