Keep scalar bars from clobbering each other (for render mode webgl).

Change-Id: Icd7adaa93d02b534b5e8435ddcfdee3dbafeca95
Merge topic 'pvweb-fix-scalarbar-positions-under-webgl' into next

77719142 Keep scalar bars from clobbering each other (for render mode webgl).
Removed a useless test, fixed static port numbers not to conflict.

Change-Id: I25ba02a17b4761d42861230b0fd2753c3ce89600
Merge topic 'pvweb-tests-more-portnumber-mgmt' into next

708c87f4 Removed a useless test, fixed static port numbers not to conflict.