Paginate forum posts in a topic

https://reviews.mahara.org/#/c/1414/

Reviewed: https://reviews.mahara.org/1414
Committed: http://gitorious.org/mahara/mahara/commit/f02e3e74849a8d82ed2528984f231d111e2b01a0
Submitter: Hugh Davenport (<email address hidden>)
Branch: master

commit f02e3e74849a8d82ed2528984f231d111e2b01a0
Author: Son Nguyen <email address hidden>
Date: Fri Jul 13 12:34:20 2012 +1200

    Paginate forum posts in a topic (Bug #992905)

    Forum topic posts now can be displayed
    - page by page,
    - page size is set to 10;
    - by threads (post reply)

    Can jump to a specific post(via postID)
    The appropriate page of the post will displayed.

    Change-Id: I71b668e756a1927f39129e862be40bf08851ced1
    Signed-off-by: Son Nguyen <email address hidden>

Reviewed: https://reviews.mahara.org/1412
Committed: http://gitorious.org/mahara/mahara/commit/752e6d4309a396751a5a365aa68aa3f67b61fdaa
Submitter: Hugh Davenport (<email address hidden>)
Branch: master

commit 752e6d4309a396751a5a365aa68aa3f67b61fdaa
Author: Son Nguyen <email address hidden>
Date: Fri Jul 13 08:55:27 2012 +1200

    Update column 'path' when adding a new topic or post
    (Bug #992905)

    Add a new topic: path = <topicid> (10 digits leading by 0)
    Add a new post: path = <post's parent path>/<postid>

    Change-Id: I3a4bbd8d20f316c5e54ee6b90000b37064060adf
    Signed-off-by: Son Nguyen <email address hidden>

Reviewed: https://reviews.mahara.org/1413
Committed: http://gitorious.org/mahara/mahara/commit/d2aed9642e010adb7da61129296c87832b3a5aa4
Submitter: Hugh Davenport (<email address hidden>)
Branch: master

commit d2aed9642e010adb7da61129296c87832b3a5aa4
Author: Son Nguyen <email address hidden>
Date: Fri Jul 13 09:51:31 2012 +1200

    List posts page by page (Bug #992905)

    page size is set to 10
    posts is sorted by threads and in forum indent mode

    post bookmarks only work in the first page

    Change-Id: I8ed82a2bd9307cb3288639ff7152df68980f0400
    Signed-off-by: Son Nguyen <email address hidden>

Reviewed: https://reviews.mahara.org/1411
Committed: http://gitorious.org/mahara/mahara/commit/80980fd58e831c6152c6774c64666945880e45c8
Submitter: Hugh Davenport (<email address hidden>)
Branch: master

commit 80980fd58e831c6152c6774c64666945880e45c8
Author: Son Nguyen <email address hidden>
Date: Tue Jul 31 12:41:33 2012 +1200

    Add column 'path' to table interaction_forum_post (bug #992905)

    This column will stored the path from the topic to the post in
    the format <topicid>/<postid 1>/<postid 2>/.../<postid n>
    The postid has 10 digits leading by 0

    This column will help to sort threaded posts together
    and calculate the indent of current post.

    Change-Id: I65118bc359e36f7d02d221d8f215ca7d4caea099
    Signed-off-by: Son Nguyen <email address hidden>

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