Updated to version 2.2.0 for release

Rebuilt configure with version change

Updated version to 2.6.0 for release

Updated version to 2.5.3 for RC build

Updated version to 2.5.2 for RC build

Updated version to 2.5.1 for RC build

Android: fix compilation libpng-1.6.37 (missing arm/palette_neon_intr…

…insics.c)

undefined reference to `png_riffle_palette_neon'
undefined reference to `png_do_expand_palette_rgba8_neon'
undefined reference to `png_do_expand_palette_rgb8_neon'

Re-ran autogen.sh

Updated framework version to match autotools generated library

Fixed bug 3912 - android, faster loading of xpm file when compiled in…

… ARM

Sylvain

I have noticed that loading xpm file was much faster (30%) when it was compiled with arm