Added some new and updated existing comments
Updated and wrote some new documentation
Removed unnecessary print-function
Removed an unnecessary null-check
Updated and added some new documentation
Minor fixes in documentation
Made git ignore all generated documentation
Created a Doxygen configuration file
Merge branch 'develop' into comment_fixing

Conflicts:
	include/backward_search.h
	include/bit_vector.h
	include/bwt_to_s.h
	include/c_array.h
	include/iterate.h
	include/mapper.h
	include/maximal_repeats.h
	include/mum.h
	include/rbwt.h
	include/structs.h
	include/utils.h
	include/wavelet_tree.h
	src/array/bit_vector.c
	src/backward-search/backward_search.c
	src/backward-search/c_array.c
	src/bwt/bwt_to_s.c
	src/bwt/map_bwt_to_s.c
	src/bwt/map_bwt_to_s.h
	src/bwt/s_to_bwt.c
	src/bwt/s_to_bwt.h
	src/iterate/iterate.c
	src/iterate/mapper.c
	src/iterate/maximal_repeats.c
	src/iterate/mum.c
	src/iterate/print_node.c
	src/iterate/print_node.h
	src/iterate/rbwt.c
	src/iterate/substring_stack.c
	src/iterate/substring_stack.h
	src/utils.c
Added missing documentation from is_reverse_interval_right_maximal() and
removed inline
Merge branch 'develop' into comment_fixing

Conflicts:
	src/core/iterate.c
Updated documentation.
Removed unnecessary draw_trees-folder.
Added documentation for iterate_for_tree_drawing()
Minor fix in documentation
Merge pull request #38 from WheBurr/comment_fixing

Comment fixing
travis script updated, checking if working now
added a failing test
failing test fixed
failing test removed, script fixing now ready