Doesn't traverse cyclic references in Dict.getAll; reduces empty-Dict garbage
Set max size for the group
Prescales shading pattern packed data indices
Balance smask process chunking
Implements WebGL support
Add enableWebGL to the preferences
Remove unused variable
Make Opera a possible browser to test with
Merge pull request #4563 from bthorben/testWithOpera

Test with opera
Read color info from JPX stream

Fix colors problem #4540 + minor cleanup

fix lint warnings
Use Stream instead of byte array access
Using shell/cmd commands to kill browser tasks
Protects from killing a closed process
Merge pull request #4565 from fkaelberer/fixJPXparsing

Read color info from JPX stream + fix color problem #4540
Merge pull request #4286 from yurydelendik/webgl

WebGL and misc memory optimizations
Merge pull request #4374 from yurydelendik/dictgetall

Doesn't traverse cyclic references in Dict.getAll; reduces empty-Dict GC