Fix some jshint errors

js/liveblog-publisher.js: line 61, col 17, Bad line breaking before '&&'.
js/liveblog-publisher.js: line 64, col 17, Bad line breaking before '&&'.
js/liveblog-publisher.js: line 66, col 17, Bad line breaking before '&&'.
js/liveblog-publisher.js: line 149, col 17, Too many var statements.
js/liveblog-publisher.js: line 150, col 17, Too many var statements.
js/liveblog-publisher.js: line 151, col 17, Too many var statements.
js/liveblog-publisher.js: line 174, col 17, Too many var statements.
js/liveblog-publisher.js: line 233, col 17, Too many var statements.
js/liveblog-publisher.js: line 133, col 24, 'switchEditors' is not defined.
js/liveblog-publisher.js: line 211, col 20, 'switchEditors' is not defined.
js/liveblog-publisher.js: line 244, col 25, 'prompt' is not defined.
js/liveblog-publisher.js: line 86, col 39, 'e' is defined but never used.
js/liveblog-publisher.js: line 126, col 49, 'e' is defined but never used.
js/liveblog-publisher.js: line 209, col 56, 'e' is defined but never used.