Add badges to README.md

Bump 2017.02.04

Bump 2016.12.27

[Add] "extensions.tabutils.autoCleanupStack". fix #94

[Fix] gBrowser.mFaviconService has been removed since Fx47, it causes…

… problems if you have configured custom toolbar button

fix #89
Bump 2016.06.08

https://hg.mozilla.org/releases/mozilla-release/rev/cbabb4769b50

Bump 2016.06.05

Bump 2016.03.23

Bump 2016.03.20

Fix backForwardMenu not works since Fx43

*Disabled the 'Session History Menu' feature to achieve this
https://hg.mozilla.org/mozilla-central/rev/ca984908f2e5 [Fx43]

Fix bookmarks items cannot be opened in recent Nightly, #50

* `TypeError: 'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them tulib.js line 105 > eval:2:5`
* This seems to be due to the https://bugzilla.mozilla.org/show_bug.cgi?id=1175394