release version 1.18.0 and update install notes

README.rst

@@ -33,7 +33,7 @@ Starting with version 1.18, you can switch back to depending on the package
 named *paramiko* by setting the environment variable ``PARAMIKO_REPLACE=1``
 while installing *fab-classic*::
 
-    PARAMIKO_REPLACE=1 pip install --no-binary fab-classic fab-classic==1.17.9b2
+    PARAMIKO_REPLACE=1 pip install --no-binary fab-classic fab-classic==1.18.0
 
 (*paramiko-ng* also supports ``PARAMIKO_REPLACE``,
 see `paramiko-ng#installation <https://github.com/ploxiln/paramiko-ng/#installation>`_)

fabric/version.py

@@ -7,7 +7,7 @@
 """
 
 
-VERSION = (1, 17, 9, 'beta', 2)
+VERSION = (1, 18, 0, 'final', 0)
 
 
 def git_sha():

sites/docs/installing.rst

@@ -11,10 +11,18 @@ to have previously installed them (because *fab-classic* depends on *Paramiko-NG
 
 If you are upgrading *fab-classic* from version 1.15.x to version 1.16 or later,
 then you do have "paramiko" installed as a dependency for fab-classic 1.15.x,
-and you should uninstall it first:
+and you should uninstall it first::
 
     $ pip uninstall paramiko
 
+It is also possible to install *fab-classic* such that it requires "paramiko"
+instead of "paramiko-ng"::
+
+    PARAMIKO_REPLACE=1 pip install --no-binary fab-classic fab-classic==1.18.0
+
+(*paramiko-ng* also supports ``PARAMIKO_REPLACE``,
+see `paramiko-ng#installation <https://github.com/ploxiln/paramiko-ng/#installation>`_)
+
 Advanced users wanting to install a development version may use ``pip`` to grab
 the latest master branch (as well as the dev version of the Paramiko-NG dependency)::