Bug Fixes
- CheckTreePicker: fix root node style incorrect (#2279) (c09226e)
- DatePicker: fix clear button not working (#2273) (649362a)
- Dropdown: wrong submenu placement in RTL direction (#2280) (c3735c3)
- Navbar: fix Whisper on Nav.Item within Navbar wrong positioning (#2274) (bd0f5e3), closes #2263
- Table: fix rowSpan is invalid in ie brower (#293) (ea49e51)