Debian package lint

- Tweak description synopsis to make Debian happy
- Put bash completion files in correct directory
- Add a manpage for zcash-fetch-params

contrib/DEBIAN/control

@@ -13,7 +13,7 @@ Package: zcash
 Version: 1.0.4
 Architecture: amd64
 Depends: libgomp1
-Description: An implementation of the "Zerocash" protocol.
+Description: HTTPS for money.
  Based on Bitcoin's code, it intends to offer a far higher standard
  of privacy and anonymity through a sophisticiated zero-knowledge
  proving scheme which preserves confidentiality of transaction metadata.

contrib/DEBIAN/manpages/zcash-fetch-params.1

@@ -0,0 +1,28 @@
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.3.
+.TH ZCASH-FETCH-PARAMS "1" "January 2017" "Zcash - zcash-fetch-params" "User Commands"
+.SH NAME
+zcash-fetch-params \- Downloads the Zcash network parameters
+.SH DESCRIPTION
+Zcash \- zcash-fetch\-params
+.PP
+This script will fetch the Zcash zkSNARK parameters and verify their
+integrity with sha256sum.
+.PP
+If they already exist locally, it will exit now and do nothing else.
+.PP
+This script will fetch the Zcash zkSNARK parameters and verify their
+integrity with sha256sum.
+.PP
+If they already exist locally, it will exit now and do nothing else.
+.SH "SEE ALSO"
+The full documentation for
+.B Zcash
+is maintained as a Texinfo manual.  If the
+.B info
+and
+.B Zcash
+programs are properly installed at your site, the command
+.IP
+.B info Zcash
+.PP
+should give you access to the complete manual.