tools: add info where to place pep8 and pylint config files

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@62575 15284696-431f-4ddb-bdfa-cd5b030d7da7

tools/pep8config.txt

@@ -15,6 +15,8 @@
 # A lot of errors need to be ignored now to avoid a large number of messages.
 # Files need to be fixed one by one (without this configuration).
 
+# Save this file as ~/.config/pep8 on Linux
+
 
 [pep8]
 

tools/pylintrc.txt

@@ -15,6 +15,8 @@
 # A lot of errors need to be ignored now to avoid a large number of messages.
 # Files need to be fixed one by one (partialy without this configuration).
 
+# Save this file ~/.pylintrc on Linux
+
 
 [MASTER]