Log Message:
Update to 1.0.7.

1.0.7:
This minor maintenance release includes a bunch of fixes from static
analysis of the twm code with various compilers & tools, as well as
other pro-active work attempting to reduce potential bugs, and a set
of build configuration improvements.

1.0.6:
This minor build fix release solves a problem introduced in 1.0.5
that prevented configure from completing when cross-compiling.

1.0.5:
This minor maintenance release provides the last two years'
Worth of build configuration improvements, janitorial cleanups, &
Makefile.am support for automake-1.11 silent builds.