Update PEAR libraries for 1.9.0

[Aaron Wells]

This bug covers updating the PEAR libraries under htdocs/lib/pear

[Aaron Wells (u-aaronw)]

Updating PEAR base system to 1.9.4: https://reviews.mahara.org/2676

[Aaron Wells (u-aaronw)]

Updating PEAR Tar_Archive to 1.3.11: https://reviews.mahara.org/2677

[Aaron Wells (u-aaronw)]

Documenting that PEAR Image_Color is already up to date https://reviews.mahara.org/2678

[Aaron Wells (u-aaronw)]

Updating PEAR Image_Canvas to 0.3.5 https://reviews.mahara.org/2679

[Aaron Wells (u-aaronw)]

Documenting that PEAR Image_Graph is at 0.8.0 https://reviews.mahara.org/2680

[Aaron Wells (u-aaronw)]

Updating PEAR XML_Feed_Parser to 1.0.5

[Aaron Wells (u-aaronw)]

https://reviews.mahara.org/2681

[Mahara Bot (dev-mahara)]

Reviewed: https://reviews.mahara.org/2676
Committed: http://gitorious.org/mahara/mahara/commit/b3e3b20202734f91dcca800dabf0eeed81edb7c1
Submitter: Son Nguyen (<email address hidden>)
Branch: master

commit b3e3b20202734f91dcca800dabf0eeed81edb7c1
Author: Aaron Wells <email address hidden>
Date: Mon Nov 4 17:07:52 2013 +1300

Updating PEAR Base System to 1.9.4

Bug 1247722: Note that the parts of the PEAR Base System that we use, haven't actually changed
any since 1.9.2.

Change-Id: I9e5dab9287907320d73ecbbe12c9e8f828f7d92e

[Mahara Bot (dev-mahara)]

Reviewed: https://reviews.mahara.org/2677
Committed: http://gitorious.org/mahara/mahara/commit/140547c953c501071c7392980d8da81db93957ae
Submitter: Son Nguyen (<email address hidden>)
Branch: master

commit 140547c953c501071c7392980d8da81db93957ae
Author: Aaron Wells <email address hidden>
Date: Mon Nov 4 17:17:28 2013 +1300

Updating PEAR Archive_Tar to 1.3.11

Bug 1247722

Change-Id: I643ab44bf603ecba72e555eb0b2d9f1e91e7f623

[Mahara Bot (dev-mahara)]

Reviewed: https://reviews.mahara.org/2681
Committed: http://gitorious.org/mahara/mahara/commit/b49f3854ddaec87572f2b2e8180ea2ad9b1f3a1d
Submitter: Robert Lyon (<email address hidden>)
Branch: master

commit b49f3854ddaec87572f2b2e8180ea2ad9b1f3a1d
Author: Aaron Wells <email address hidden>
Date: Mon Nov 4 17:42:23 2013 +1300

Updating PEAR XML_Feed_Parser to 1.0.5

Bug 1247722: Note that the patches we'd applied to version 1.0.4 have all been
incorporated into 1.0.5. Hence the empty changes list in README.Mahara

Also, version 1.0.5 has the Pear Log class as a dependency, so I'm including that.

Change-Id: Ib57c19ebfbf1f5656adea70b282064e387482bae