Handle old-format /proc/sched_debug; code clean up and minor fixes

• Mon Nov 02 2020 Clark Williams williams@redhat.com - 1.2-1
• utils.c: added info() functions
• detect and correctly parse old-style /proc/sched_debug
• src/stalld: Fix an retval check while reading sched_debug
• src/throttling: Fix a compilation warning
• ensure we only count task lines in old-format sched_debug info
• Add comments, clean up trailing whitespace
• src/utils: Fix runtime parameters check
• stalld: Do not take actions if log_only is set

• remove warning from parse_old_task_format

• Tue Oct 27 2020 Clark Williams williams@redhat.com - 1.1-1

• Fix an option in README.md; consistency in user facing docs.
• Makefile: add 'static' target to link stalld statically
• gitignore: ignore object files and the stalld executable
• use FIFO for boosting (v3)
• stalld.c: fix sched_debug parsing and modify waiting task parsing
• redhat: update release for features and bugfix
• stalld: Do not die if sched_debug returns an invalid value
• src/stalld: Do not die if the comm is too large
• src/stalld: Do not die if cannot write a message to the log
• src/stalld: Do not die if the main runs while a thread is monitoring the CPU
• implement RT throttling management and refactor source files
• more refactoring
• src/stalld: Reuse already read nr_running nr_rt_running
• src/stalld: Gracefully handle CPUs not found on sched_debug
• src/stalld: Use dynamically allocated memory to read sched_debug
• src/utils: Die with a divizion by zero if verbose
• src/stalld: Add config_buffer_size variable
• src/stalld: Increase the sched_debug read buffer if it gets too small
• src/stalld: Fix an retval check while reading sched_debug
• src/throttling: Fix a compilation warning