Log Message:
Update to 8.0.50

Changelog:
Tomcat 8.0.50 (violetagg)

Catalina
    Fix: Prevent a stack trace being written to standard out when running on \ 
Java 10 due to changes in the LogManager implementation. (markt)
    Fix: Avoid duplicate load attempts if one has been made already. (remm)
    Fix: Avoid NPE in ThreadLocalLeakPreventionListener if there is no Engine. (remm)
    Fix: 62000: When a JNDI reference cannot be resolved, ensure that the root \ 
cause exception is reported rather than swallowed. (markt)
    Fix: 62036: When caching an authenticated user Principal in the session when \ 
the web application is configured with the NonLoginAuthenticator, cache the \ 
internal Principal object rather than the user facing Principal object as Tomcat \ 
requires the internal object to correctly process later authorization checks. \ 
(markt)
    Fix: 62067: Correctly apply security constraints mapped to the context root \ 
using a URL pattern of "". (markt)
    Fix: When using Tomcat embedded, only perform Authenticator configuration \ 
once during web application start. (markt)
    Fix: Process all ServletSecurity annotations at web application start rather \ 
than at servlet load time to ensure constraints are applied consistently. \ 
(markt)
    Fix: Minor optimization when calling class tranformers. (rjung)

Web applications
    Add: 48672: Add documentation for the Host Manager web application. Patch \ 
provided by Marek Czernek. (markt)

Other
    Update: Update the NSIS Installer used to build the Windows installer to \ 
version 3.03. (kkolinko)