Fix MANPATH and examples.

Index: setup.py
--- setup.py.orig
+++ setup.py
@@ -106,7 +106,7 @@ def main():
             ('share/applications', [
                 'doc/ranger.desktop',
             ]),
-            ('share/man/man1', [
+            ('man/man1', [
                 'doc/ranger.1',
                 'doc/rifle.1',
             ]),
@@ -118,7 +118,7 @@ def main():
             ]),
             ('share/doc/ranger/config', findall('doc/config')),
             ('share/doc/ranger/config/colorschemes', findall('doc/config/colorschemes')),
-            ('share/doc/ranger/examples', findall('examples')),
+            ('share/examples/ranger', findall('examples')),
             ('share/doc/ranger/tools', findall('doc/tools')),
         ],
         package_data={