default to linking against dynamic libs
Merge remote origin into wildmidi-0.3

Merge remote-tracking branch 'psi29a/wildmidi-0.3' into wildmidi-0.3
Conflicts:
	CMakeLists.txt
	src/CMakeLists.txt
Fix option handling

Fix configuration failure on !WANT_PLAYER.

Do not install twice dynamic libray and header on UNIX && !APPLE.

Do not generate static library on !(WANT_STATIC || WANT_PLAYER).
No-relation between PLAYER and STATIC options

Building STATIC libray is not necessary before building PLAYER.
Merge pull request #13 from liangtai/patch-0.3

Patch 0.3 for better FreeBSD support.