remove old Java 7 check

set table-width to fixed on console dark theme, and run the auto-indenter on the console light theme to fix it's inconsistent tabs. Merge the chrome-overrides rules on the console light theme CSS. Changes to light theme are entirely cosmetic, except that they improve the reliability of my CSS linter.

set .wizardimg css to display: none on the dark theme so the light-theme background images don't show up. Normalize the wildly inconsistent tabs tabs in console.css

Revise ShellService.name to match ShellService directory if the directory includes -SystemVersion.getOS or -SystemVersion.getArch

Check executable status of shellservice plugins in start. If the ShellService plugin name doesn't correspond to a directory, check plugin name+-$OS-$ARCH and name+$OS.

Adds the ability to use `$OS`  and `$ARCH`  variables in clients.config and plugins.config(updateURL.* only)

otherwise relative to plugin name, as before

Change one from CRIT to WARN
Translate one of them
Attempt to translate class name in notifications