This reverts commit 8a6d7cefc9bf45b979ff064d87141949e9b81ca4.

Packing the structs was mostly a precautionary measure, tlsf should
still work without it.

This call was not needed in the first place, but was causing crashes in
sgt-puzzles. Removing it fixes the crashes.

Change-Id: I1149d5600e1c97e0e848fdd34bf65d54c930adab

This should make it build cleanly under -Wcast-align, which should
hopefully avoid any alignment issues on ARM.

Change-Id: Ie147323d2d8cb980dcbb94710387b7ee80826c4d

On Windows 64-bit, the size of long is 32-bit, thus any pointer to long cast is
not valid. In any case, one should use intptr_t and ptrdiff_t when casting
to integers. This commit attempts to fix all instances reported by GCC.
When relevant, I replaced code by the macros PTR_ADD, ALIGN_UP from system.h

Change-Id: I2273b0e8465d3c4689824717ed5afa5ed238a2dc

Instead of providing yet another memory allocator implementation
use tlsf and simply link tlsf library.

Another small improvement is to *grow* memory pool by grabbing
audiobuffer instead of just switching to use audiobuf exclusively.
Tested with simple lua 'memory eater' script.

This patch extends tlsf lib slightly. You can provide
void *get_new_area(size_t * size) function which will override
weak dummy implementation provided in lib itself. This allows to
automaticaly initialize memory pool as well as grow memory
pool if needed (for example grab audiobuffer when pluginbuffer
is exhaused).

Change-Id: I841af6b6b5bbbf546c14cbf139a7723fbb982f1b

libtlsf used not to be built for HWCODEC, but now that the gif
viewer uses libtlsf instead of building its own copy, libtlsf
is needed everywhere.

Change-Id: I730719c6a20e749adb8597056d2049b7758620e4

Instead specify explicit library dependencies for codecs and plugins.

Change-Id: I5e37b28c1ce4608d60b036343f280af3311ad490