Fixed issue where operations such as setMaxConnections would un-pause a queue.

Signed-off-by: Lanny McNie <lanny@gskinner.com>
Minor updates to loadQueue. Fixed improperly named proxy method (deprecated version was getting used instead).

New docs and libs.

Signed-off-by: Lanny McNie <lanny@gskinner.com>
Updated demos to use NEXT

Signed-off-by: Lanny McNie <lanny@gskinner.com>
Updated to PreloadJS 0.3.1

Signed-off-by: Lanny McNie <lanny@gskinner.com>
Synced with the main PreloadJS repo.