Update copyright years
httpc: Allow content body in DELETE requests
Prepare release
Fix httpd config option 'erl_script_nocache'

This fixes the usage of the httpd configuration option
'erl_script_nocache', which got ignored before.

Attention: Before, the option 'script_nocache' also changed the
behavior for mod_esi, now it only affects mod_cgi.
inets: removed obsolete code
inets: version updates
Update release notes
Merge branch 'jwh/httpc_delete_body/OTP-11190' into maint

* jwh/httpc_delete_body/OTP-11190:
  httpc: Allow content body in DELETE requests
Merge branch 'maint-r15' into maint-r16

Conflicts:
	lib/inets/doc/src/notes.xml
	lib/inets/src/inets_app/inets.appup.src
	lib/inets/vsn.mk
	lib/ssh/doc/src/notes.xml
	lib/ssh/src/ssh.appup.src
	lib/ssh/src/ssh_connection_handler.erl
	lib/ssh/vsn.mk
Merge branch 'maint-r16' into maint
Add missing brackets to report formatting on ftp_progress process exit

When progress reporting process exits, ftp client crashes
because of missing brackets in io_lib:format argument.
Fix some errors in the inets documentation
fix: typo, inets/doc/src/httpd
[inets, ssl]: make log_alert configurable as option in ssl, SSLLogLevel added as option to inets conf file
inets: added simple testcase for option erl_script_nocache
Update release notes
Merge branch 'jw/fix-httpd-erl-script-nocache/OTP-11260' into maint

* jw/fix-httpd-erl-script-nocache/OTP-11260:
  inets: added simple testcase for option erl_script_nocache
  Fix httpd config option 'erl_script_nocache'
Merge branch 'maint-r15' into maint-r16

Conflicts:
	lib/inets/doc/src/notes.xml
	lib/inets/src/http_lib/http_transport.erl
	lib/inets/src/inets_app/inets.appup.src
	lib/inets/vsn.mk
	lib/ssl/doc/src/notes.xml
	lib/ssl/src/ssl.appup.src
	lib/ssl/src/ssl.erl
	lib/ssl/src/ssl_internal.hrl
	lib/ssl/src/tls_connection.erl
	lib/ssl/vsn.mk
Merge branch 'maint-r16' into maint