fl_curve uses a much better algorithim to figure out how many pieces

to cut the curve into.

Right-ctrl does not delete selected text in Fl_Input, until you type a
composed character.

Added simple fltk.3 and fluid.1 manual pages and "make install" in the
documentation directory installs them.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.0@1361 ea41ed52-d2ee-0310-a9c1-e6b18d33e121