move spot/bin/ and spot/tests/ up by one level

* spot/bin/: Move...
* bin/: ... here.
* spot/tests/: Move...
* tests/: ... here.
* Makefile.am, README, bench/stutter/Makefile.am,
bench/stutter/stutter_invariance_formulas.cc, doc/Makefile.am,
configure.ac, debian/rules, spot/Makefile.am, spot/ltsmin/Makefile.am,
spot/ltsmin/kripke.test, spot/sanity/style.test, python/tests/run.in:
Adjust.

bin/man/genltl.x

@@ -0,0 +1,31 @@
+[NAME]
+genltl \- generate LTL formulas from scalable patterns
+[DESCRIPTION]
+.\" Add any additional description here
+[BIBLIOGRAPHY]
+If you would like to give a reference to this tool in an article,
+we suggest you cite the following paper:
+.TP
+\(bu
+Alexandre Duret-Lutz: Manipulating LTL formulas using Spot 1.0.
+Proceedings of ATVA'13.  LNCS 8172.
+.PP
+Prefixes used in pattern names refer to the following papers:
+.TP
+gh
+J. Geldenhuys and H. Hansen: Larger automata and less
+work for LTL model checking.  Proceedings of Spin'06.  LNCS 3925.
+.TP
+ccj
+J. Cichoń, A. Czubak, and A. Jasiński (DepCoS'09): Minimal Büchi
+Automata for Certain Classes of LTL Formulas.  Proceedings of DepCoS'09.
+.TP
+go
+P. Gastin and D. Oddoux: Fast LTL to Büchi Automata Translation.
+Proceedings of CAV'01.  LNCS 2102.
+.TP
+rv
+K. Rozier and M. Vardi: LTL Satisfiability Checking.
+Proceedings of Spin'07.  LNCS 4595.
+[SEE ALSO]
+.BR randltl (1)