Merge pull request #2 from unifio/yl-changelog

changelog update

Author: yuhunglin

CHANGELOG.md

@@ -4,6 +4,16 @@
 
 - Feature: Automatically push instance's subnet route into `server.conf`
 
+### 0.0.4
+- Standardization with other Unif.io OSS terraform modules
+- CI Builder
+- Small tweaks:
+  - IAM roles are now `<stack_item_label>-<region>` instead of `<region>-<stack_item_label>`
+  - Removed unused vars for user data.
+  - ELB healthcheck on nodes.
+  - lifecycle `create_before_destroy` fixes to deal with dependency issues on build.
+  - somewhat breaking change: in_vpc now is `1`(true) instead of `0`(false)
+
 ### 0.0.3
 
 - Fix: tag.application for elb reverted to using short name instead of full application name due to naming restrictions