bump version and update changelog (2.0.5)

Author: GiladShoham

CHANGELOG.md

@@ -7,12 +7,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [unreleased]
 
-## [2.0.5-dev.2] - 2019-04-17
+## [2.0.5] - 2019-05-01
 
 - fix es6 with dynamic import to not show as missing dependencies
-
-## [2.0.5-dev.1] - 2019-04-16
-
 - improve performance by lazy load all external packages and internal files
 
 ## [2.0.4] - 2019-03-10