wayland: wayland and weston 1.4.0 support
scripts: change order between install and subproject. pkgconfig is a new target for host compilation
scripts: project generates step by step new projects without problem with Makefile generation
scripts: hostprogs can contains pkg-config file (*.pc) to install them inside the sysroot
scripts: cmd call changes ; to &&
scripts: new target tree architecture

now the tree is
 out/
 |
 |-- host/
 |
 |-- target/
     |
     |- <target>/
        |
        |--packages/
        |  |-- newlib-2.15...
        |-- sysroot/
        |-- rootfs/

packages: contains the build of each package
sysroot: contains all headers and libraries files for next builds
rootfs: contains the target tree result with binaries and initialization file
scripts: rootfs sysroot and packages directories definition
bootloader: u-boot tools installation to out/host/bin
scripts: <subproject>-build-target becames <subproject>-targets
libc: the toolchain is now a subproject with its own Makefile

in the future the toolchain libc makefile should be linked wit tools/gcc
tools: pkg-config is mandatory as tools
server: <subproject>-build-target is replaced by <subproject>-targets
scripts: the hostprogs could be installed as sdk or not the build is mandatory as a target
scripts: add test directory to help scripts development
scripts: remove all traces of old installation script and use the new post-install
scripts: remove all traces of the old installation scripts. use the new post-installation
scripts: include the new multicmd tools. like cmd " $(call cmd,<command>) " but accept commands with more than one action
scripts: install contains copyfile a function replacement of cp

copyfile allow to copy a file, the contain of a directory, the contain of a directory recursivly and the contain of a directorry to a symlink to another directory
scripts: project and download use "multicmd" to call functions for download and build project
scripts: reenable the .dwl for each project