v1.1.0: fix topbar line height

new fixes:
- http://meta.stackoverflow.com/q/211547: Topbar text are pushed down on beta sites
other changes:
- slightly tweak MathJax-over-HTTPS fix
v1.1.1: fix MathJax \newcommand leakage

new fixes:
- http://meta.math.stackexchange.com/q/4130: The scope of \newcommand is the entire page
other changes:
- use @run-at document-start to allow early injection of MathJax config
v1.1.2: add position:relative to comments

new fixes:
- http://meta.stackoverflow.com/q/114109: Background in OP's user name can obscure text in multiline comments
v1.1.3: MathJax in suggested question titles

new fixes:
- http://meta.math.stackexchange.com/q/11036: Can we have the suggested questions' titles parsed by default?
unsolved issues:
- regression: \newcommand leak fix is causing question drafts not to be typeset initially, no idea why :-(
v1.1.4: more efficient \newcommand scope fix
v1.1.5: better MathJax ns stack reset
release devel v1.1.5 as v1.2.0