Update to RTFM 2.4.5.

It contains security fix for bug, which can be exploited by malicious users to
bypass certain security restrictions (CVE-2012-4731).
Note update of devel/RTFM
Update to vttest-20120506; 7 years worth of changes omitted.
Updated misc/vttest to 20120506
Updated mail/exim to 4.80.1
Note that gnuradio works with swig 2.
Update to patchlevel 712.

Changes:

7.3.654  creating Vim dictionary from Python an empty key might be used
7.3.655  64 bit MingW xpm .a file is missing
7.3.656  internal error in :pyeval
7.3.657  Python bindings silently truncate string values containing NUL
7.3.658  NUL bytes truncate strings when converted from Python
7.3.659  recent Python changes are not tested
7.3.660  ":help !" jumps to help for ":!"
7.3.661  (after 7.3.652) SEGV in Python code
7.3.662  can't build Ruby interface with Ruby 1.9.3
7.3.663  end of color scheme name not clear in E185
7.3.664  buffer overflow in unescaping multi-byte characters
7.3.665  MSVC 11 is not supported
7.3.666  Win32.mak can't be found
7.3.667  unused variables in Perl interface
7.3.668  loading Perl dynamically still uses static library
7.3.669  when building with Cygwin loading Python dynamically fails
7.3.670  tiny memory leak when throwing exception in Python
7.3.671  more Python code can be shared between Python 2 and 3
7.3.672  not possible to lock/unlock lists in Python interface
7.3.673  "gN" while 'selection' is "exclusive" misses one character
7.3.674  can't compile with Lua/dyn on Cygwin
7.3.675  accessing uninitialized memory with a very long file name
7.3.676  Ruby compilation on Windows 32 bit doesn't work
7.3.677  buf_spname() is used inconsistently
7.3.678  Ruby .so name may not be correct
7.3.679  Ruby detection uses Config, newer Ruby versions use RbConfig
7.3.680  some files missing in the list of distributed files
7.3.681  list of distributed files picks up backup files
7.3.682  (after 7.3.677) compiler complains about incompatible types
7.3.683  ":python" may crash when vimbindeval() returns None
7.3.684  "make test" does not delete lua.vim
7.3.685  no test for what patch 7.3.673 fixes
7.3.686  cannot use CTRL-\ e mapping when entering an expression
7.3.687  test 16 fails when $DISPLAY is not set
7.3.688  Python 3.3 is not supported
7.3.689  MzScheme and Lua may use a NULL string
7.3.690  crash with directory name equal to maximum path length
7.3.691  state specific to the Python thread is discarded
7.3.692  can't build GTK version with GTK 2.0
7.3.693  can't make 'softtabstop' follow 'shiftwidth'
7.3.694  'shiftwidth' is not so easy to use in indent files
7.3.695  balloon cannot show multi-byte text
7.3.696  message about added spell language can be wrong
7.3.697  leaking resources when setting GUI font
7.3.698  Python 3 does not preserve state beween commands
7.3.699  manually set 'ttymouse' is overruled by automatic detection
7.3.700  cannot detect URXVT and SGR mouse support
7.3.701  MS-Windows: Crash with stack overflow when setting 'encoding'
7.3.702  nmake from VS6 service pack 6 is not recognized
7.3.703  when 'undofile' is reset the hash is computed unnecessarily
7.3.704  repeating "cgn" does not always work correctly
7.3.705  mouse features are not in alphabetical order
7.3.706  (after 7.3.697) can't build Motif version
7.3.707  (after 7.3.701) library name with non-latin characters fails
7.3.708  filler lines above the first line may be hidden
7.3.709  compiler warning for unused argument
7.3.710  (after 7.3.704) "fn" is broken
7.3.711  (after 7.3.688) vim.current.buffer is not available
7.3.712  nmake from VS2010 SP1 is not recognized

pkgsrc changes:
- take maintainership of package
- switch to single tarball, created from vim's hg, instead of downloading > 700 files
- which resulted in changes in PLIST in vim-share
- some minor changes to DESCR files (add more vim guis)
- reset PKGREVISION on vim-gtk2
- add new files to vim-lang
Note update of editors/vim-*
Add more patches from upstream to get further in build on NetBSD-5.
Ignore subversion if detected (don't install experimental tool nmap-update)