Remove support of wildcards for R15B03 and previous

A bug in filelib:wildcard/1,2 was fixed in R16B:
  https://github.com/erlang/otp/commit/70b5e24c

So, wildcard strings in the configuration file are now forbidden for older
releases.
Split content data of FCGI records to be compliant with the spec

According to the FCGI specification, the size of the content data should be
lesser or equal to 65535.
See http://www.fastcgi.com/drupal/node/6?q=node/22#S3.3 for details.
Update known dialyzer warnings
Merge remote-tracking branch 'upstream/master'