Fix wrong highlight group of `o' tag in help.xsl

Replace `HelpOption' with `HelpOpt'
Merge pull request #79 from kaorimatz/fix-help-tag-highlight-group

Fix wrong highlight group of `o' tag in help.xsl
Revert "fix: __iterator__ set on Xray's XPathResult object not being called"

This reverts commit f064f046a83a8612d370077fc1036d6b1a72e9d8.

see https://github.com/vimperator/vimperator-labs/pull/50#issuecomment-59265311
fix: __iterator__ set on Xray's XPathResult object not being called
Merge pull request #82 from caisui/issue_33

Issue 33 - thanks as always
Teach completeion.charset to use CharsetMenu.jsm on Fireofox >= 32

This teaches `:set encoding=…` to work again on Firefox >= 32.

In Firefox 32,
upstream dropped the old Character Encoding menu implementation, [1]
and the charsetTitles.properties, [2]

[1] https://hg.mozilla.org/mozilla-central/rev/9eb4f13a78d8
[2] https://hg.mozilla.org/mozilla-central/rev/15680e55195c

Signed-off-by: Takeshi Banse <takebi@laafc.net>
Merge pull request #85 from hchbaw/tb/completion-charset-charsetmenu

:set encoding= completion works again on Firefox >= 32.
Release Vimperator 3.8.3
Update maxVersion