* parserlib: fast section extraction, tweaks and speedups
* csslint: "simple-not" rule
* csslint: enable and fix "selector-newline" rule
* simplify db: resolve with result
* simplify download()
* remove noCode param as it wastes more time/memory on copying
* styleManager: switch style<->data names to reflect their actual contents
* inline method bodies to avoid indirection and enable better autocomplete/hint/jump support in IDE
* upgrade getEventKeyName to handle mouse clicks
* don't trust location.href as it hides text fragment
* getAllKeys is implemented since Chrome48, FF44
* allow recoverable css errors + async'ify usercss.js
* openManage: unminimize windows
* remove the obsolete Chrome pre-65 workaround
* fix temporal dead zone in apply.js
* ff bug workaround for simple editor window
* consistent window scrolling in scrollToEditor and jumpToPos
* rework waitForSelector and collapsible <details>
* blank paint frame workaround for new Chrome
* extract stuff from edit.js and load on demand
* simplify regexpTester::isShown
* move MozDocMapper to sections-util.js
* extract fitSelectBox()
* initialize router earlier
* use helpPopup.close()
* fix autofocus in popups, follow-up to 5bb1b5ef
* clone objects in prefs.get() + cosmetics
* reuse getAll result for INC
