Includes vertical and horizontal implementations
and to fix 5/13 TAPs/Parallel deblocking support.

Re-working internals of the filters for better
re-usage across different sizes.

Tests are enabled.

Performance changes, SSE2 over C:
Horizontal methods: up to    3-4x
Vertical   methods: up to 1.5x-2x

Change-Id: I2e36035355d8c23c1d4b0d59d0e23f598e9d0e3f