fix doc

Author: Richard Jones

doc/installation.txt

@@ -128,14 +128,14 @@ Basic Installation Steps
 ------------------------
 
 To install the Roundup support code into your Python tree and
-Roundup scripts into /usr/local/bin (substitute that path for whatever is
+Roundup scripts into /usr/bin (substitute that path for whatever is
 appropriate on your system). You need to have write permissions
 for these locations, eg. being root on unix::
 
     python setup.py install
 
 If you would like to place the Roundup scripts in a directory other
-than ``/usr/local/bin``, then specify the preferred location with
+than ``/usr/bin``, then specify the preferred location with
 ``--install-script``. For example, to install them in
 ``/opt/roundup/bin``::
 
@@ -508,12 +508,12 @@ As a mail alias pipe process
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Set up a mail alias called "issue_tracker" as (include the quote marks):
-"``|/usr/bin/python /usr/local/bin/roundup-mailgw <tracker_home>``"
-(substitute ``/usr/local/bin`` for wherever roundup-mailgw is installed).
+"``|/usr/bin/python /usr/bin/roundup-mailgw <tracker_home>``"
+(substitute ``/usr/bin`` for wherever roundup-mailgw is installed).
 
 In some installations (e.g. RedHat 6.2 I think) you'll need to set up smrsh so
 sendmail will accept the pipe command. In that case, symlink
-``/etc/smrsh/roundup-mailgw`` to "``/usr/local/bin/roundup-mailgw``" and change
+``/etc/smrsh/roundup-mailgw`` to "``/usr/bin/roundup-mailgw``" and change
 the command to::
 
     |roundup-mailgw /opt/roundup/trackers/support
@@ -620,9 +620,9 @@ As a regular job using a mailbox source
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Set ``roundup-mailgw`` up to run every 10 minutes or so. For example
-(substitute ``/usr/local/bin`` for wherever roundup-mailgw is installed)::
+(substitute ``/usr/bin`` for wherever roundup-mailgw is installed)::
 
-  0,10,20,30,40,50 * * * * /usr/local/bin/roundup-mailgw /opt/roundup/trackers/support mailbox <mail_spool_file>
+  0,10,20,30,40,50 * * * * /usr/bin/roundup-mailgw /opt/roundup/trackers/support mailbox <mail_spool_file>
 
 Where the ``mail_spool_file`` argument is the location of the roundup submission
 user's mail spool. On most systems, the spool for a user "issue_tracker"
@@ -632,10 +632,10 @@ As a regular job using a POP source
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 To retrieve from a POP mailbox, use a *cron* entry similar to the mailbox
-one (substitute ``/usr/local/bin`` for wherever roundup-mailgw is
+one (substitute ``/usr/bin`` for wherever roundup-mailgw is
 installed)::
 
-  0,10,20,30,40,50 * * * * /usr/local/bin/roundup-mailgw /opt/roundup/trackers/support pop <pop_spec>
+  0,10,20,30,40,50 * * * * /usr/bin/roundup-mailgw /opt/roundup/trackers/support pop <pop_spec>
 
 where pop_spec is "``username:password@server``" that specifies the roundup
 submission user's POP account name, password and server.
@@ -646,10 +646,10 @@ As a regular job using an IMAP source
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 To retrieve from an IMAP mailbox, use a *cron* entry similar to the
-POP one (substitute ``/usr/local/bin`` for wherever roundup-mailgw is
+POP one (substitute ``/usr/bin`` for wherever roundup-mailgw is
 installed)::
 
-  0,10,20,30,40,50 * * * * /usr/local/bin/roundup-mailgw /opt/roundup/trackers/support imap <imap_spec>
+  0,10,20,30,40,50 * * * * /usr/bin/roundup-mailgw /opt/roundup/trackers/support imap <imap_spec>
 
 where imap_spec is "``username:password@server``" that specifies the roundup
 submission user's IMAP account name, password and server. You may