Fix bug post comment status

The comment status not saved, fixed the var.
Comment status not working

For working in the frontend with <code>$post->isCommentable()</code> need to save the var <var>comment_status</var> during the save process, or not changed.
Could not reorder a menu without that fix : if there was no parent_id (parent_id = 0), then parent_id was set to "" and could not be saved
Could not reorder a menu without that fix : if there was no parent_id (parent_id = 0), then parent_id was set to "" and could not be saved
extended HelloWidget example
Updated to version 0.8.7
Updated build command
Merge branch 'master' of github.com:pagekit/pagekit
fixed indentation
added messages when signup is disabled or user is logged in already
fix #139
updated uikit
updated uikit themes regarding math error
compiled CSS
updated uikit js to 2.10.0
fixed marketplace grid fix #248
blog pagination fix #199
Merge pull request #234 from sdevigne/fix/PbReorderingMenu

Fix a bug on reordering menu items
blog pagination, pretty urls. re #199
Merge pull request #230 from namaless/patch-1

Fix bug post comment status
Revert "Fix bug post comment status"
Merge pull request #249 from pagekit/revert-230-patch-1

Revert "Fix bug post comment status"