Use cmath instead of math.h for primary event.
Update docs.
Minor readme change.
Add API documentation links.
Include input example files into documentation.
Add pictures of fault trees for documentation.
Typo correction in fta_graphing.
Documentation for errors and events.
Documentation for source files of Superset and scram.cc.
Document the source of the risk analysis interface.
Document source of fault tree analysis. Closes #41.
Mention exceptions thrown by public functions in fault tree.
Document private methods and members of fault tree.
Add github issues link to todo and bugs docs.
General review for refactoring.
Rename l-model frequency.
Speed recordings.
Merge branch 'develop' into coverity-scan