Add man pages for several tools

privacyidea-pam-remain.1

+.\" Manpage for privacyidea-pam-remain.
+.\" Contact info@privacyidea.org for any feedback.
+.TH PRIVACYIDEA-PAM-REMAIN 1 "11 Oct 2015" "1.0" "privacyidea-pam-remain man page"
+.SH NAME
+privacyidea-pam-remain \- display the remaining offline OTP values for all tokens.
+.SH SYNOPSIS
+privacyidea-pam-remain
+.SH DESCRIPTION
+This tool is used to display the remaining OTP values in the local sqlite database
+for all local tokens for offline authentication.
+It prints a list of the serial number and the number of remaining OTP values.
+
+.SH INTERNET SOURCES
+http://www.privacyidea.org,  http://www.linotp.org
+.SH SEE ALSO
+
+.SH BUGS
+No known bugs.
+.SH AUTHOR
+privacyIDEA <info@privacyidea.org>