fix Travis builds: don't ask for confirmation
Merge pull request #1270 from splinter89/patch-1

fix Travis builds: don't ask for confirmation
psr4-autoloader itself
upd tests
completely new AutoloadTest
upd docs
backwards compatibility with old autoloader
fix BuildTest::testBuildNamespacedGuy

we change config.namespace during test, so fullname of Helper also changes, but the actual file w/ Helper was only one