python-web2py: security bump to version 2.14.6

python-web2py: security bump to version 2.14.6

CVE-2016-4806 - Web2py versions 2.14.5 and below was affected by Local File
Inclusion vulnerability, which allows a malicious intended user to
read/access web server sensitive files.

CVE-2016-4807 - Web2py versions 2.14.5 and below was affected by Reflected
XSS vulnerability, which allows an attacker to perform an XSS attack on
logged in user (admin).

CVE-2016-4808 - Web2py versions 2.14.5 and below was affected by CSRF (Cross
Site Request Forgery) vulnerability, which allows an attacker to trick a
logged in user to perform some unwanted actions i.e An attacker can trick an
victim to disable the installed application just by sending a URL to victim.

CVE-2016-10321 - web2py before 2.14.6 does not properly check if a host is
denied before verifying passwords, allowing a remote attacker to perform
brute-force attacks.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>