Fixed repl for not producing MNU and Warning.

- Repl>>eval:on:
 BlockClosure>>tryCatch: instead of Object>>try:catch:.
- Repl>>encapsulateVariable:withValue:in:
 Compiler>>install:forClass:protocol: instead of Compiler>>install:forClass:category:
Merge pull request #939 from mumez/cli-repl-fix

Fixed repl for not producing MNU and Warning.
In Javascript the keyword 'native' is reserved
AmberCli: fix formatting of return statements
AmberCli: move testrunner to cli package
remove 'test' directoy after the runner has been integrated into AmberCli
recompile
Merge pull request #941 from johnnyzz/master

In Javascript the keyword 'native' is reserved
Merge pull request #942 from mkroehnert/testrunner

move Testrunner into the amber-cli script
Adds PlatformInterface >> prompt:default:
Merge branch 'master' of github.com:amber-smalltalk/amber
Improvements for the nw app. Helios can now browse a remote page
Merge branch 'master' into nw-helios-app

Conflicts:
	package.json