DESTDIR compatibility + *FLAGs/utils configurability + ld -fpic error fix. Also fixes #1

Signed-off-by: Vadim A. Misbakh-Soloviov <mva@mva.name>
Merge pull request #3 from msva/master

DESTDIR compatibility + *FLAGs/utils configurability + ld -fpic error fix + #1 fix