Merge pull request #150 from NiteshKant/master

Enabling registration for non-amazon datacenters on server startup.
- change periodic info logs to debug logs in DiscoveryClient
- remove clientId logging in discovery server
Merge pull request #151 from qiangdavidliu/minorfixes

Minor fixes
[Gradle Release Plugin] - pre tag commit:  '1.1.137'.
[Gradle Release Plugin] - new version commit:  '1.1.138-SNAPSHOT'.
Skeletal changes for eureka 2.X.

All the source code is removed. This only contains the modules required for eureka 2.X

We will add the files required from 1.X as we need them.