Patrick Lühne e01506f9ff Drop Boost dependency ... Boost was only used for program option parsing. To avoid this huge dependency, this commit replaces boost::program_options with cxxopts, a header-only library with the same functionality. cxxopts is added as a submodule, and Boost is removed from the dependencies in the code and Travis configuration.		2018-03-25 17:24:06 +02:00
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catch@0a34cc201e	Update Catch to 2.2.1	2018-03-21 16:35:54 +01:00
clingo@e2187b697f	Update clingo to 5.2.2	2018-03-21 16:41:08 +01:00
cxxopts@8893afe13c	Drop Boost dependency	2018-03-25 17:24:06 +02:00