FreeRTOS 4.7.0 released

FreeRTOS 4.7.0 has been released. Here's the changelog for the last version (complete changelog):

• Introduced the counting semaphore macros and demo source files. The Open Watcom PC project has been updated to include the new demo. See the online documentation for more information.
• Introduced the 'alternative' queue handling API and demo source files.
• The Open Watcom PC project has been updated to include the new demo source files. See the online documentation for more information.
• Added AT91SAM7X Eclipse demo project.
• Added the STM32 primer demo project for the GCC compiler and Ride IDE.
• Removed the .lock files that were mistakenly included in the V4.6.1 eclipse workspaces.