Fix #10602 and clean up IO code.
TEMP workaround for #9813
Image marshal includes zoomLevelScaling
viewport.js $ viewportImage.js pass zoomLevelScaling down to PanoJS
PanoJS handles zoomLevelScaling - default is still 50%
Use zoom scaling levels from server
Blitz img.getZoomLevelScaling() returns 2**n scaling
Add commons-lang to OmeroImporter/ivy.xml (Fix #10658)
Merge pull request #967 from jburel/big-image-3

Big image 3
Update submodules
Merge pull request #983 from joshmoore/10658-commons-lang-dep

Add commons-lang to OmeroImporter/ivy.xml (Fix #10658)
Merge pull request #985 from jburel/fiji-name

insight as fiji plugin
Merge pull request #986 from snoopycrimecop/merge/dev_4_4/submodules

Update dev_4_4 submodules
Merge pull request #979 from will-moore/big_images_FS_9701_dev44

Big images fs 9701 dev44
Merge pull request #966 from mtbc/trac-10602

Fix #10602 and clean up IO code.
Make sure all the references are reset to null.
Do not set the connected flag in isSessionAlive
Review error handling if ice connection lost is thrown.
Do not try to reconnect when switching user (see #10295)
Improve handling of Ice unknown exception.