Merge pull request #276 from jay-hodgson/shiny-whitelist

include shiny.synapse.org in whitelist
SWC-541: horizontal rules
Merge pull request #275 from jay-hodgson/SWC-489-round2

SWC-489: pull heading inner html to style ToC items
javascript callback to a java method, must use xhr.upload.onprogress
Merge pull request #278 from jay-hodgson/SWC-528-progressbar

SWC-528: javascript callback to a java method, use xhr.upload.onprogress
Merge pull request #274 from jay-hodgson/SWC-541

SWC-541
SWC-523: move shiny to alpha and SWC-452: target markdown tables
Merge horizontal rule detection into release-1.24
Merge determinant progress bar into release-1.24
Merge pull request #279 from jay-hodgson/SWC-523

SWC-523: move shiny to alpha and SWC-452: target markdown tables
Merge alpha shiny widget and markdown table css targetting into release-1.24
Merge pull request #280 from jay-hodgson/release-1.24

Merge in code reviewed changes
fix code overflow
Merge code overflow into release-1.24
Merge pull request #282 from jay-hodgson/release-1.24

commit fix code overflow to release
SWC-536
Merge pull request #284 from jay-hodgson/release-1.24

SWC-536
reworked created by and modified by, as well as metadata display
Merge pull request #286 from dburdick/swc-521

reworked created by and modified by, as well as metadata display
merged release-1.24