Fix dependencies in INSTALL

'lens' requires a fixed version because the dependencies of the most
recent version fail to install under Wheezy.
'lifted-base' was missing.
Signed-off-by: Petr Pudlak <pudlak@google.com>
Reviewed-by: Hrvoje Ribicic <riba@google.com>

INSTALL

@@ -191,7 +191,8 @@ ones not available in your distribution packages) via ``cabal``::
 
   $ cabal install json network parallel utf8-string curl hslogger \
                   Crypto text hinotify==0.3.2 regex-pcre \
-                  attoparsec vector base64-bytestring lens
+                  attoparsec vector base64-bytestring \
+                  lifted-base==0.2.0.3 lens==3.10
 
 Haskell optional features
 ~~~~~~~~~~~~~~~~~~~~~~~~~