Fix for Mantis 3080 from MjnMixael: Fix for inadvertently changed parsing order for mainhall tables.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10962 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Mantis 3075 : Upgrades libpng from 1.5.7 to 1.6.12

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10963 387891d4-d844-0410-90c0-e4c51a9137d3
"Fix" gcc warnings in Control_config[]

warning: missing initializer for member 'config_item::BLAH'
[-Wmissing-field-initializers]

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10964 387891d4-d844-0410-90c0-e4c51a9137d3
Fix mantis 3078 (From Yarn)

Don't set / reset unscaled screen area when rendering to texture
Also fix a pre-10844 bug where scaling down a cockpit gauge would
cause the gauge to be improperly clipped if it was close enough to the
right or bottom edge of the texture.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10965 387891d4-d844-0410-90c0-e4c51a9137d3
Since we updated libpng, might as well update zlib as well. Now v1.2.8.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10966 387891d4-d844-0410-90c0-e4c51a9137d3
From Axem: adds getFrametimeOverall() lua function for timing purposes outside of gameplay

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10967 387891d4-d844-0410-90c0-e4c51a9137d3
From FUBAR-BDHR, chief1983, m!m and MageKing17: Fix for Mantis 2887: Additional workaround for mantis 2693

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10969 387891d4-d844-0410-90c0-e4c51a9137d3
From ngld and Parias: Fix for Mantis 3084: Bitmaps loaded with gr.loadTexture() are never released.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10970 387891d4-d844-0410-90c0-e4c51a9137d3
From karajorma: Adds the multi-eval SEXP WARNING: This SEXP is subject to change and will likely be removed or changed in a future version, use with caution. Also fixes Mantis 3079: Add multi-eval to list of available SEXPs (.patch included)

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10971 387891d4-d844-0410-90c0-e4c51a9137d3
add additional lookup for GTSC Faustus for next version of FSPort

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@10972 387891d4-d844-0410-90c0-e4c51a9137d3
Fix line-endings in fred2/fred.rc

(somehow these got messed up in the git repo)