CLOUDSTACK-6075: Increase the ram size for router service offering

Increased the ram size of Internal load balancer vm service offering also
Backported from fix by Harikrishna Patnala <harikrishna.patnala@citrix.com>
https://reviews.apache.org/r/17941/

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
CLOUDSTACK-7966:
remove snapshot_store_ref entry, in which role is Primary, during
storage GC

(cherry picked from commit 7175247c5e10eb6c152b2629e5496337e3287afd)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
CLOUDSTACK-7917: Validating Load Balancer Rule when updating LB + unit test

Signed-off-by: Rajani Karuturi <rajanikaruturi@gmail.com>
(cherry picked from commit c919ff83d81528b89017b5f5731b2e46350e3dfa)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Conflicts:
	server/src/com/cloud/network/lb/LoadBalancingRulesManagerImpl.java
CLOUDSTACK-7915: Remove hard-coded values for Load Balancer algorithms in UI

Signed-off-by: Rajani Karuturi <rajanikaruturi@gmail.com>
(cherry picked from commit ba6dfd84702eeef0362b94068add1328db84133a)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Conflicts:
	client/WEB-INF/classes/resources/messages_fr_FR.properties
	client/WEB-INF/classes/resources/messages_ja_JP.properties
	client/WEB-INF/classes/resources/messages_ko_KR.properties
	client/WEB-INF/classes/resources/messages_nl_NL.properties
	client/WEB-INF/classes/resources/messages_zh_CN.properties
	ui/dictionary.jsp