issue tests
v121
rearrange code

Change-Id: Ia7cb19e81c976ffbec8fa81b350dd37f9e3c4363
Add flag for gif animation

Change-Id: I107942f016d41ddc60d2375c9ea6f5db5f914e26
Add heap ratio options. Stop using MarkableInputStream. Slow.

Change-Id: I052d75c9e65b1f715a6a30e840439ebea48c6789
Watch for future cancellations in various loaders.

Change-Id: I6cf782205525ab6836240096e8383dd9fe55ddd0