v1.1.6

[TongZhou2017]

Add search_tree_files function to search the NEWICK format files in a directory.

Add train_theme function to learn themes from template files in a directory.

Update dataset5 files.

Update inbuilt_theme data, which corrected the legend block in the COLOR_STRIP template file.

Fix the create_uint function about the COLOR_STRIP type, which makes the legend function work in the COLOR_STRIP template.

---

This discussion was created from the release v1.1.6.