Added new ElasticWindowMultiple algorithm

Refs #10409
Add ELF workspace and correct vertical units

Refs #10409
Support temperatures from log files

Refs #10409
Correct get temperature function

Refs #10409
Work in progress adding new algo to existing UI

Refs #10409
Get workspace names from file names

Refs #10409
Tidy UI, use naming  required for MSD fit

Refs #10409
Fix failing unit tests

Refs #10409
Fix failing system test

Refs #10409
Use invisible workspaces in ElasticWindowMultiple

Refs #10409
Added ElasticWindowMultiple docs

Refs #10409
A few typo corrections

Refs #10409
Do not add mult marker to output WS

Refs #10409
Merge remote-tracking branch 'origin/feature/10409_elwin_ui_use_elasticwindow'