Remove last shred of libtool

WARNING: don't do "autoreconf", as it adds libtool back!
Instead, do "autoconf".
Fixes to work with system libtool
After running it through the formatter
add locking to rlm_cache
Merge pull request #118 from philmayers/cache-locking

add locking to rlm_cache
Minor formatting fixes
Try to fix "home server dead" code

It was pretty horrific, and didn't make sense.  This simplification
seems to work
More fixes to make it work with system libtool && jlibtool
Change version constants to be more useful

Configure script now sets:
	* RADIUSD_MAJOR_VERSION
	* RADIUSD_MINOR_VERSION
	* RADIUSD_INCRM_VERSION
	* RADIUSD_VERSION (integer representation of version)
	* RADIUSD_VERSION_STRING
	* RADIUSD_VERSION_COMMIT (latest commit hash if building from a git repo)

Git hash is also displayed in utilities that display version
Update configure script
More version fixes for master branch

Should pass RADIUSD_VERSION_STRING as release
Add tag matching to pairdelete and paircopy2
Handle tagged attributes with multiple values in rlm_perl.
Fixup some warnings in rlm_perl
Set the home server "last packet" only on original packets

And not on retransmits.
Mark home server zombie only after response_window

When the "response_window" has been hit, THEN go mark the home
server zombie.  Not before.
arg needs to be a buffer
C != PHP
Massive rewrite of the LDAP module.

It now uses the connection pool API.  The code is MUCH clearer.
Fixup xlat calls in rlm_ldap to work with new function prototypes