* ada_user/Makefile.am, ada_user/ada_user.texi, user/Makefile.am,
user/c_user.texi, user/concepts.t, user/overview.t,
user/preface.texi, user/schedule.t, user/sem.t: Add table of figures.
Add text and graphic of tree illustrating valid combinations of
semaphore attributes.
* user/semaphore_attributes.eps, user/semaphore_attributes.png:
New files.
* user/bsp.t, user/conf.t, user/init.t, user/intr.t, user/overview.t,
user/timer.t: Correct default values. Make it clear that confdefs.h
calculates the memory required for you.
PR 681/doc
PR 682/doc
* buildc.t, buildrt.t, sample.t: Fix PATH and tar examples. Enable
binutils link again.
* user/overview.t: Chapter numbering in preface was wrong.
* SUPPORT, LICENSE: New files.
* Numerous files touched as part of merging the 4.5 branch
onto the mainline development trunk and ensuring that the
script that cuts snapshots and releases works on the documentation.