Fix copy paste bug + start support for proxy list

Change-Id: I0a158b037924733bf5bf20a760ed25523c9920b7
Allow WebViz app to rescale data range at a given time step

Change-Id: I63f25ad1157b6d55a879e05ceb0381f2cf84d0d8
Minor data scale improvement

Change-Id: If12a42c5146ddd00f33b7bb798fb26ff6bb7e90a
Better support internal proxy property exposition

Change-Id: I2fe20ff571deb4743e5513e0728cee9a0ef91cbd
Merge topic 'pvw-web-viz-improvement' into next

2ad67cd Better support internal proxy property exposition
cfa9c5d9 Minor data scale improvement
541c5c1 Allow WebViz app to rescale data range at a given time step
a8b1c92 Fix copy paste bug + start support for proxy list