npwrapper: add build script and eliminate 64/32 bit paths
npwrapper: use system wide installed flash plugin
ebuild: add new dependencies
install-deps.sh: add flashplugin as dependency for arch linux.
PKGBUILD: git, release/desurium: add flashplugin as dependency.
npwrapper: get path to flash plugin from internal hardcoded list

v2: add ubuntu non symlink path
Merge pull request #454 from karolherbst/bug417

fixes #417
npwrapper: link against pthread on UNIX
build: use sourceforge as wxwidgets download source.
Merge pull request #455 from karolherbst/portage_fix

npwrapper: link against pthread on UNIX
Merge pull request #456 from matthiaskrgr/wxwidgets_url

build: use sourceforge as wxwidgets download source.
ebuild: update to newest desurium versions

also rebuild desurium on boost subslot change
ebuild: desurium needs desurium-cef-3