Unify init/finalize/mpiargs commands to use macros, no need for PERFDECLs
apply sqlite patch: use sqlite3 as backend instead of mysql
apply no-executions patch: take out executions table to simplify database
Remove legacy PerformanceModel implementation and updated docs
Add energy modeling example
Remove lwperf. It can be found at github.com/gtcasl/lwperf