STM32L discovery demo is now demonstrating three low power modes - still needs clean up.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2121 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Remove duplication of comments at the top of the file.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2122 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Tidy up STM32L low power demo and add 'comprehensive demo' option.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2123 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Remove unused files from STM32L discovery board demo directory structure and build.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2124 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Merge remote-tracking branch 'trunk'