Fix document generator to remove trailing space in generated document.
Update generated document.
Merge pull request #2230 from take-cheeze/doc_update

Fix document generator to remove trailing space in generated document.
Update example build_config to include host build setting
Pacify MSVC warnings for random.c
Fix indents
Refactor mrb_obj_equal_m()
Refacotr mrb_obj_not_equal_m()
Refactor mrb_equal_m()
Merge pull request #2232 from kyab/fix_msvc_warning_random.c

Pacify MSVC warnings for random.c
Merge pull request #2233 from suzukaze/fix-indent

Fix indents in kernel.c
Merge pull request #2234 from suzukaze/refactor

Refactor functions in kernel.c
Merge pull request #2231 from kyab/update_example_build_config

Update example build_config to include host build setting