Update augeas to use add_plugin
Update xmltool to use add_plugin
NEWS/release
restructure doc

- todos for next release planning
- rss feed for NEWS
todo for rename plugin
Update ini plugin to use add_plugin
partly revert a07ad554fca82dc2e599a59fd86abcc4fa6d8e34

fix testdata in nickel tests that might do in-source modifications
add script to mount all kde files

(some special constructs of kde config might fail though)
fix metaset+improve error/warnings

- add two new error/warnings information: mountpoint and configfile
- use signed release tags
- fix error plugin: now use on_open/trigger_warnings to be consistent
- fix metaset: now correctly append new key
-0 option in kdb

- C++ I/O for key(s) now allows null-terminator
- -0 option accepted
- -123 options for hiding nth column in "kdb mount"
- hide warnings during script usage of "kdb mount"
do not create tag when creating source-package
some updates in the todos
improve README

nicer formatting in NEWS
some changes in todos
use links everywhere
allow to remove plugins/bindings/tools

with -element syntax
+ use it in configure-debian
fix cmake messages

-- -> STATUS
will be print to stdout and not stderr
does not disturb ncurses
kdb now uses KDB itself

fix long help text in `kdb check`

add kdb configure options:
/sw/kdb/current/resolver .. want a different default resolver than was compiled in?
/sw/kdb/current/format .. annoyed by dump-default format
/sw/kdb/current/plugins .. if you always forget to add some plugins
fix BINDINGS in script
applied shared pointer patch
make loading of kdb less invasive

(broken plugins somewhere in the KDB yielded an exception)