main: add release script

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Update version after release of v0.6.4

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Changelog: remove 0.6.5 preliminary changelog

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Merge branch 'release-0.6.4'

* release-0.6.4:
  main: add release script

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
Cleanup error handling in ipc_init()
Remove unnecessary asserts
CID 739626 (#1 of 2): Operands don't affect result (CONSTANT_EXPRESSION_RESULT)
CID 739626 (#2 of 2): Operands don't affect result (CONSTANT_EXPRESSION_RESULT)
Make sure calculated header length does not skip over buffer
bmf: check minimumLength against buffer size

minimumLength includes headerLeangth, but is larger and the most
accurate value we can use.

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
sgwdynspeed: put plugin config in olsrd.conf.sample

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
pud: put plugin config in olsrd.conf.sample

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
cookie: raise the number of cookies

When running many plugins, I run into the cookie limit.

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
pud: enable dynamic polling of the position file

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
gateway: only check smart gateway configuration on linux

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
linux: put #ifdef __linux__ around code

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
doc: add doxygen documentation generation

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
doc: fix common documentation tags

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
doc: fix linux specific documentation tags

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
doc: fix unix specific documentation tags

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
doc: fix bsd specific documentation tags

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>
doc: fix win32 specific documentation tags

Signed-off-by: Ferry Huberts <ferry.huberts@pelagic.nl>