Fix Mantis 2997: Make +Bitmap a required table item if a weapon trail has been set

git-svn-id: svn://svn.icculus.org/fs2open@10378 387891d4-d844-0410-90c0-e4c51a9137d3
Expand the .gitignore exclusions to cover modern Xcode project local files. Based off StackOverflow suggestions as documented.

git-svn-id: svn://svn.icculus.org/fs2open@10379 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093859: Uninitialized scalar field In mst_info::​mst_info(): A scalar field is not initialized by the constructor (CWE-457). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10380 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093669 Out-of-bounds access: In triggered_rotation::add_queue(queued_animation *, int): Out-of-bounds access to a buffer (CWE-119). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10381 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093413 Logically dead code: In model_collide_sub(void *): Code can never be reached because of a logical contradiction (CWE-561). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10382 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093728 Allocation size mismatch: In model_allocate_interp_data(int, int, int): Allocation size is not a multiple of the target pointer's pointed-to type (CWE-131). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10383 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093455 Dereference after null check: In read_model_file(polymodel *, char *, int, model_subsystem *, int): Pointer is checked against null but then dereferenced anyway (CWE-476). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10384 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1107319 Copy-paste error: In collide_weapon_weapon(obj_pair *): A copied piece of code is inconsistent with the original (CWE-398). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10385 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1102734 Uninitialized scalar field: In collider_pair::collider_pair(): A scalar field is not initialized by the constructor (CWE-457). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10386 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1129278 Uninitialized scalar field: In object::object(): A scalar field is not initialized by the constructor (CWE-457). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10387 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093392 Logically dead code: In obj_snd_assign(int, int, vec3d *, int, int, ship_subsys *): Code can never be reached because of a logical contradiction (CWE-561). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10388 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093407 Logically dead code: In model_interp_sub(void *, polymodel *, bsp_info *, int): Code can never be reached because of a logical contradiction (CWE-561). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10389 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093446 Dereference after null check: In obj_snd_stop_all(): Pointer is checked against null but then dereferenced anyway (CWE-476). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10390 387891d4-d844-0410-90c0-e4c51a9137d3
Fix Coverity 1093576 Improper use of negative value: In model_collide_flatpoly(unsigned char *): Negative value can be returned from function is not being checked before being used improperly (CWE-394). From Flaming_Sword.

git-svn-id: svn://svn.icculus.org/fs2open@10391 387891d4-d844-0410-90c0-e4c51a9137d3