Rename xTaskGetSystemState() uxTaskGetSystemState().

git-svn-id: https://freertos.svn.sourceforge.net/svnroot/freertos/trunk@1988 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Shared/Contiki/Makefile.contiki: move network settings to platform Makefiles
Changes to comments only.

git-svn-id: https://freertos.svn.sourceforge.net/svnroot/freertos/trunk@1989 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Tidy up pre-processor as final act before tagging as V7.5.0

git-svn-id: https://freertos.svn.sourceforge.net/svnroot/freertos/trunk@1990 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Merge remote-tracking branch 'trunk'