Kraken: load disruptions from database
Kraken: fill channels from database
Kraken: make fill_disruption_from_database testable
Kraken: remove useless includes
Kraken: some lint
Kraken: add test fill_disruption_database
Kraken: use boost optional
Kraken: add read_one_line test
Kraken: add test on fill_disruption_from_database
Kraken: fix bugs in fill_disruption_from_database
Kraken: add a nice exception message
Kraken: add comment
Kraken: fix init of chaos_database
Kraken: use unique_ptr on full_disruptiion_database's disruption object
Kraken: use boost_lexical_cast in tests
Kraken: add default value for chaos_database
Merge pull request #17 from l-vincent-l/add_load_mechanism

Kraken: load disruptions from database