Update release instructions

Author: mpapis

DEVELOPMENT.md

@@ -5,7 +5,7 @@
 - git commit changes with version as comment
 - git tag version
 - `git push`
-- `git push tags`
+- `git push --tags`
 - use ruby 1.8.7 for releasing `rvm use 1.8.7 --install`
-- gem build executable-hooks.gemspec 
-- gem push 
+- `gem build executable-hooks.gemspec`
+- `gem push executable-hooks-1.6.1.gem` - update version