remove old content from changelog

ChangeLog

@@ -1,118 +1,3 @@
 
 Please note that this file is no longer maintained.  Please refer to the
-changes files in doc/
-
-Change log for Varnish 1.0.4
-
-Changes between 1.0.3 and 1.0.4
-
-varnishd
-
-  • The request workflow has been redesigned to simplify request processing and
-    eliminate code duplication. All codepaths which need to speak HTTP now
-    share a single implementation of the protocol. Some new VCL hooks have been
-    added, though they aren't much use yet. The only real user-visible change
-    should be that Varnish now handles persistent backend connections correctly
-    (see ticket #56).
-
-  • Support for multiple listen addresses has been added.
-
-  • An "include" facility has been added to VCL, allowing VCL code to pull in
-    code fragments from multiple files.
-
-  • Multiple definitions of the same VCL function are now concatenated into one
-    in the order in which they appear in the source. This simplifies the
-    mechanism for falling back to the built-in default for cases which aren't
-    handled in custom code, and facilitates modularization.
-
-  • The code used to format management command arguments before passing them on
-    to the child process would underestimate the amount of space needed to hold
-    each argument once quotes and special characters were properly escaped,
-    resulting in a buffer overflow. This has been corrected.
-
-  • The VCL compiler has been overhauled. Several memory leaks have been
-    plugged, and error detection and reporting has been improved throughout.
-    Parts of the compiler have been refactored to simplify future extension of
-    the language.
-
-  • A bug in the VCL compiler which resulted in incorrect parsing of the
-    decrement (-=) operator has been fixed.
-
-  • A new -C command-line option has been added which causes varnishd to
-    compile the VCL code (either from a file specified with -f or the built-in
-    default), print the resulting C code and exit.
-
-  • When processing a backend response using chunked encoding, if a chunk
-    header crosses a read buffer boundary, read additional bytes from the
-    backend connection until the chunk header is complete.
-
-  • A new ping_interval run-time parameter controls how often the management
-    process checks that the worker process is alive.
-
-  • A bug which would cause the worker process to dereference a NULL pointer
-    and crash if the backend did not respond has been fixed.
-
-  • In some cases, such as when they are used by AJAX applications to
-    circumvent Internet Explorer's over-eager disk cache, it may be desirable
-    to cache POST requests. However, the code path responsible for delivering
-    objects from cache would only transmit the response body when replying to a
-    GET request. This has been extended to also apply to POST.
-
-    This should be revisited at a later date to allow VCL code to control
-    whether the body is delivered.
-
-  • Varnish now respects Cache-control: s-maxage, and prefers it to
-    Cache-control: max-age if both are present.
-
-    This should be revisited at a later date to allow VCL code to control which
-    headers are used and how they are interpreted.
-
-  • When loading a new VCL script, the management process will now load the
-    compiled object to verify that it links correctly before instructing the
-    worker process to load it.
-
-  • A new -P command-line options has been added which causes varnishd to
-    create a PID file.
-
-  • The sendfile_threshold run-time parameter's default value has been set to
-    infinity after a variety of sendfile()-related bugs were discovered on
-    several platforms.
-
-varnishlog
-
-  • When grouping log entries by request, varnishlog attempts to collapse the
-    log entry for a call to a VCL function with the log entry for the
-    corresponding return from VCL. When two VCL calls were made in succession,
-    varnishlog would incorrectly omit the newline between the two calls (see
-    ticket #95).
-
-  • New -D and -P command-line options have been added to daemonize and create
-    a pidfile, respectively.
-
-varnishncsa
-
-  • The formatting callback has been largely rewritten for clarity, robustness
-    and efficiency.
-
-    If a request included a Host: header, construct and output an absolute URL.
-    This makes varnishncsa output from servers which handle multiple virtual
-    hosts far more useful.
-
-Documentation
-
-  • The documentation—especially the VCL documentation—has been greatly
-    extended and improved.
-
-Build system
-
-  • The name and location of the curses or ncurses library is now correctly
-    detected by the configure script instead of being hardcoded into affected
-    Makefiles. This allows Varnish to build correctly on a wider range of
-    platforms.
-
-  • Compatibility shims for clock_gettime() are now correctly applied where
-    needed, allowing Varnish to build on MacOS X.
-
-  • The autogen.sh script will now correctly detect and warn about automake
-    versions which are known not to work correctly.
-
+changes files in doc/