Checkpointing work. Refs #8646.
Checkpointing work. Refs #8646.
Checkpointing work. Refs #8646.
Corrected build errors from refactoring. Refs #8646.
Finished the implementation on new fit peak class. Refs #8646.
Cleaned the code and unit tests. Refs #8646.
Added more in wiki. Refs #8646.
Fixed issues with fit error passing. Refs #8646.
Refs #8646 fix merge conflict