Add the atollic truestudio startup code.
Add a linker script for the arm-gnu-gcc.
Provide more heap and stack.
Don't initialize the libc. Add weak functions for vApplicationMallocFailedHook and vApplicationStackOverflowHook.
Add new entries to the gitignore file.
Add archives to the gitignore file.
Change comments.
Merge branch 'github/develop'