Merge pull request cornerstonejs#970 from dannyrb/docs/small-updates

feat: MEASUREMENT_COMPLETED event to brush

Merge pull request cornerstonejs#961 from dannyrb/docs/small-updates

Docs/small updates

Merge pull request cornerstonejs#951 from cornerstonejs/rename-tool-p…

…rops

fix(tools): Rename tools configuration obj as props

Merge pull request cornerstonejs#947 from JamesAPetts/config-brush-de…

…leteModeToggle

feat(tools/brush/BrushTool.js): configuration option alwaysEraseOnClick

Merge pull request cornerstonejs#945 from mikehazell/pr/add-circle-to…

…ol-cursor

feat(CircleRoiTool.js): Adds cursor for CircleRoiTool

Merge pull request cornerstonejs#943 from mikehazell/pr/fix-mouseDown…

…Activate-error

fix(mouseDownActivate.js): fix throwing issue in mouseDownActivate

Merge pull request cornerstonejs#913 from mikehazell/pr/addmeasuremen…

…tCompletedEvent-issue787

adds MEASUREMENT_COMPLETED event

Merge pull request cornerstonejs#917 from cornerstonejs/update-statis…

…tics

fix(update-statistics): Update statistics for annotation tools when handle movement is done

Merge pull request cornerstonejs#939 from kevinleedrum/keep-roi-on-right

fix(ROI Tools): Correct ROI textbox position when canvas is rotated or flipped

Merge pull request cornerstonejs#936 from kevinleedrum/roi-x-offset

Add 10px x-offset to ROI textboxes