Also adds icons for prev/next and places them into the editor toolbar

Adds the status bar reduce flashing setting
Adds the current line scrollable setting

Fixes duplicate upstream node issue
Fixes results explorer node refreshing

Closes #149, #290, #265

Splits currentLineController into:
lineAnnotationController - end of line annotation
lineHoverController - hovers to current line(s)
statusBarController - blame on the statusbar

Supports toggling annotations for each file individually or all files at once
Closes #289

Adds custom label support to result view

Also fixes #286, #227, #219, #186, #151, #104, #75