Merge pull request #469 from ebollens/logger_print_errors

Shown logger warnings and errors in stdout [v1.0]
Merge pull request #471 from ebollens/fix/468

Fix #468 - Add requisite to .row core adapter implementation [v1.0]
Merge pull request #500 from ebollens/fix/494

Fix #494 - Add X-UA-Compatible header to usage docs
Fix #490 - Move Efx CSS copying from build_js to build_css
Merge pull request #503 from ebollens/fix/490

Fix #490 - Move Efx CSS copying from build_js to build_css
Merge pull request #504 from ucla/1.0/master

Update master from 1.0/master
Merge branch 'master' of https://github.com/ucla/WebBlocks