add duoshuo comment support
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user can set one of op/personal-disqus-shortname or op/personal-duoshuo-shortname.
Merge pull request #81 from naihe2010/master

add duoshuo comment support
re-format some code
update doc for new commenting system: duoshuo
new version: v0.6
improve function op/insert-options-template
add new helper function: op/new-post
update: call template insertion function interactively
update op/insert-options-template, enhance function description
enhance function description of op/new-post
update docs
update image bottom margin of theme mdo
Mentioning ht.el in dependencies list
Merge pull request #84 from swaroopch/patch-1

Mentioning ht.el in dependencies list
[#85] fix bug: large font in chrome during page loading
Merge branch 'devel' of github.com:kelvinh/org-page into devel
Merge branch 'master' of github.com:kelvinh/org-page
update copyright year
Merge branch 'devel'
[#86] use autoload instead of require