BUILD: Applied another patch by rhabacker (fix windows build, fixes #69).
Makefile improvements to enable separate builddir again.
This was caused mainly by 5ba2a82f. Not yet completed, though.
Started simplifying BUILD process.
- no longer need to create symlinks- started setting explicit paths to include directives- moved some code files from previous "types" folder to "types2" - moved some files from "backendsupport" to "dialogs" - removed "types"...
Added support for cppcheck and scan-build.
AqBanking6: Statically link plugins into AqBanking.
- therefore I had to move the plugins folder below "libs" and create the real AqBanking library (containing the plugins now) in "libs"