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/ltlfilt.x

@@ -0,0 +1,55 @@
+[NAME]
+ltlfilt \- filter files or lists of LTL/PSL formulas
+[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
+The following papers describe algorithms used by ltlfilt:
+.TP
+\(bu
+Kousha Etessami: A note on a question of Peled and Wilke regarding
+stutter-invariant LTL. Information Processing Letters 75(6): 261-263
+(2000).
+
+Describes the transformation behind the \fB\-\-remove\-x\fR option.
+.TP
+\(bu
+Thibaud Michaud and Alexandre Duret-Lutz:
+Practical stutter-invariance checks for ω-regular languages.
+Proceedings of SPIN'15.  LNCS 9232.
+
+Describes the algorithm used by \fB\-\-stutter\-insensitive\fR option.
+.TP
+\(bu
+Christian Dax, Jochen Eisinger, Felix Klaedtke: Mechanizing the
+Powerset Construction for Restricted Classes of
+ω-Automata. Proceedings of ATVA'07.  LNCS 4762.
+
+Describes the checks implemented by the \fB\-\-safety\fR,
+\fB\-\-guarantee\fR, and \fB\-\-obligation\fR options.
+.TP
+\(bu
+Ivana Černá, Radek Pelánek: Relating Hierarchy of Temporal Properties
+to Model Checking.  Proceedings of MFCS'03.  LNCS 2747.
+
+Describes the syntactic LTL classes matched by the
+\fB\-\-syntactic\-safety\fR, \fB\-\-syntactic\-guarantee\fR,
+\fB\-\-syntactic\-obligation\fR options,
+\fB\-\-syntactic\-persistence\fR, and \fB\-\-syntactic\-recurrence\fR
+options.
+.TP
+\(bu
+Kousha Etessami, Gerard J. Holzmann: Optimizing Büchi
+Automata. Proceedings of CONCUR'00.  LNCS 1877.
+
+Describe the syntactic LTL classes matched by \fB\-\-eventual\fR, and
+\fB\-\-universal\fR.
+[SEE ALSO]
+.BR randltl (1),
+.BR ltldo (1)