(maplev-fold-proc) new function to insert fold marks around a procedure.
maplev--name-re:  change start/end from \< ... \>  to \_< ... \_>; that allows underscore at symbol ends.
Preparing for release of 2.17.
move (require 'cl) to eval-and-compile
Merge branch 'release'
Bumped revision to 2.18
Update .gitignore
maplev.el: add upperbound and lowerbound to Maple15 builtins.  Tweak info file.
Remove Local Variables section.  Fix typo in comment and fix indentation.
Added 'subset' as reserved word (introduced in Maple 7).
bin/version: made consistent with other packages
Add RELEASE-NOTES, include with distribution
eliminate compilation errors:
Add maplev-remove-dupes to replace use of cl remove-duplicates
Use eval-with-compile so cl is not used during run time;
use with-no-warnings to prevent warnings that appear anyway.
Makefile: update
Update version.
maplev.el: remove all use of cl package; eliminate all warnings.
Add GNU Free Documentation License to the manual
Makefile: correct clean-doc to retain doc/fdl.texi link
Makefile: fix LISP-DIR
Merge branch 'release' into develop
Update README and install