Add support for kobo devices by a define. Additionally, compiling with KOBO_PLATFORM defined should also give support for old Kindle Touch 5.0.x firmwares.
clean up whitespaces
add kobo target to makefile
Merge pull request #18 from giorgio130/master

Add Kobo devices support
fix a bug in patching popen_noshell.c
Merge pull request #19 from ddysher/master

Fix popen_noshell-buildfix.patch
add lightenRect to change background color of a rect
Merge pull request #20 from chrox/master

add lightenRect to change background color of a rect
check if glyph is missing in current fontface
Merge pull request #21 from chrox/master

check if glyph is missing in current fontface
Add ability in einkfb.c to pass from 16bpp to 8bpp, this is useful on kobos.
Merge pull request #23 from giorgio130/master

Add ability to change bpp in einkfb.c
Update cre.cpp

Methods to get & set page margins in crengine
Merge pull request #24 from NuPogodi/master

Methods to get & set page margins in CREngine