Preventing reply author name to leave its box

Currently in view thread page if reply author box name is long it override
on reply content rather breaking into a new line
Showing all thread replies by default instead of 5

Also providing an argument numberposts to change the limit of replies

Fixes #129
Using core comment-grey-bubble class to show reply count icon
Corrected WP coding standard
Reduce subject box extra height

Earlier it had extra height and was looking ugly
Corrected typo in readme
Added few more tags to supportflow
Showing correct owner in details meta box label

There was a bug (caused by incorrect arithmetic operator) due to which all
posts with owner were shown as "Unassigned"
Prevent thread reply content from leaving outside of div
E-Mail accounts were not shown in filter menu in all threads page

This bug was caused by accidental removal of a line most probably in
refactor branch
Merge pull request #135 from VarunAgw/readme

Add readme tags and correct typo.
Merge pull request #133 from VarunAgw/ui

Tighten up UI elements and use Core's comment-grey-bubble class.
Arranging if condition parameters in yoda notation
Merge pull request #134 from VarunAgw/bugs

Fix minor bugs:

* Show all replies on the Thread screen instead of last 5
* Show correct thread owner in details meta box label
Submit post if user pressed Ctrl+Enter in reply content box
Using subscribed/unsubscribed for E-Mail notifications status

Earlier it was allowed/not allowed. It is just to help user understand
functionality easily
Renamed `Notifications` to `E-Mail notifications` for better understanding
Add explainatory title to E-Mail notification label in details meta box
Corrected WP coding standards
Order post by last updated with recently updated at top

Fixes #116