b&b editor: always add and remove so many steps as there are in one bar
add new steps to all tracks at once
check track type first before adding or removing steps
CMakeLists: remove SVN cleanup from dist target

Fixes CMake warning as well.
VstBase: workaround for broken wineg++ in WINE 1.4
Fix build when building without SDL

Commit f2590c24dfb55c2c876a1ba1ea8b1643230b471c was incomplete and thus
LMMS failed to build when building without SDL support.
ZynAddSubFX/CMakeLists: fix Freetype2 detection for older versions
Merge pull request #56 from grejppi/stable-0.4-bb_usability

B&B editor: adding and removing steps
Vestige: remove additional compile flag

The git logs do not indicate why we need to set _FORTIFY_SOURCE, therefore
remove it in order to fix a compiler warning.