cmake: download files from sourceforge

fixes #544
Fixed NSS 3.15 errors.
wx_controls: fix #329 also for win32 and remove the alpha argument
build_desura: fix win32 build script
install: install libs on windows in "" by default
cmake/FindPatch: add path of GnuWin32 patch installation
cmake/patch: silence win32 patch script a bit
cmake: don't build npwrapper on win32
cmake/breakpad: make win32 breakpad build aware of build configurations
cmake/curl: fix win32 build

also use archive instead of Git
cmake/curl: update to 7.32.0

also use native SSL Implementation of Windows instead of OpenSSL
cmake: add debug CEF variable on win32
cmake/cef: fix build on win32

v2: fix build error on Linux
cmake: install built wxWidgets libs on win32
cmake/win: add windows SDK and target definitions

we need a windows Vista SDK and want to target Windows XP SP2
cmake: add specific MFC stuff and clean up target definitions
repair stuff I broke in the past
managers: fix singleton mutex on win32
uicore: fix theme loading problems on win32
servicecore: fix mcfcore library loading on win32