Added seiscloud manual to git repository

Removed unused configuration variable time_window

README.md

@@ -7,6 +7,8 @@ Software for seismicity clustering.
 
 Here a link to the ![Seiscloud logo](https://git.pyrocko.org/cesca/seiscloud/src/master/gx/seiscloud_logo.png)
 
+and to the ![Seiscloud manual](https://git.pyrocko.org/cesca/seiscloud/src/master/gx/seiscloud_manual.pdf)
+
 Please, contact me for further information and help: simone.cesca@gfz-potsdam.de
 
 ## Prerequisites

src/config.py

@@ -62,9 +62,6 @@ class SeiscloudConfig(Object):
                     default=1.0)
     tmin = String.T(help='Minimum time', default='2000-01-01 00:00:00.000')
     tmax = String.T(help='Maximum time', default='2018-01-01 00:00:00.000')
-    time_window = Float.T(
-                    help='Window length (days) for time evolution of clusters',
-                    default=10.)
     time_window = String.T(
                     help='Window length (days) for time evolution of clusters',
                     default=10.)