Major clean-up to make use of .jshintignore/.jshintrc

Extinct lint checks on:
+ formats/Exhibit
+ formats/JitGraph
+ formats/timeline/resources/SimileTimeline

Update:
+ jquery.tagcanvas.js 1.18 -> 1.20
+ jquery.responsiveslides.js v1.32 -> v1.53
+ jquery.sparkline.js 2.0 -. 2.1
+ d3.v2.min -> d3.v3.js

+ Update release notes
+ Delete SRF_Settings.php

Change-Id: I1eb72bb9773819cf2ea451579288d7a0287c292e