Add software packages for oem needs library

These recipes is support software packages for oem needs.
The librarys include:
    boost, fixesproto, imagemagick, iptables, Xorg-macros
    zlib, eglibc(glibc), libcurl, libgif, libneon, mongoose
    fuse, protocol buffers, bsdiff, module-init-tools
    libcroco, libtiff, librsvg, libpcap, libtar
You can add these librarys by feature 'agl-oem-extra-libs'
source meta-agl/scripts/aglsetup.sh -m porter agl-demo [agl-appfw-smack] [agl-devel] [agl-netboot] agl-oem-extra-libs

v2[jsmoeller]:
- change to ImageMagick recipe (generalize configure append and add dependency)
- readd libtar with tarball taken from debian as original git is n/a

v3[tte_zheng_wenlong]
- add libtar and libtar-dev in packagegroup-ivi-common-core-os-commonlibs.bbappend
- modify README.md to explain build command.

v4[tte_zheng_wenlong]
- modify mongoose license from GPLv2 to MIT.
- delete [] for agl-oem-extra-libs for README.md

Change-Id: I1f9d2f1c023f332d528918c3f730ee0360a1f497
Signed-off-by: tte_zheng_wenlong <wenlong_zheng_za@mail.toyota.co.jp>
Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>