Fix #250: Reflective calls on Array.update with relaxed return type
Merge pull request #252 from gzm0/bugfixes

Fix #250: Reflective calls on Array.update with relaxed return type
Merge branch 'master' into scala-2.11
Classify last partests. With this commit, Scala.js reaches full partest coverage
Merge pull request #254 from gzm0/clean-partest

Clean partest