v0.4.1

• Fixes #39 - updated screenshots (particularly nerdtree)
• Fixes #37 - g:webdevicons_conceal_nerdtree_brackets applying global config
• Add instructions to readme for adding icon to lightline (@hoop33)
• Updated vim doc with latest readme updates (sync'd with html2vimdoc)
• Added TL;DR section to readme
• Add a note to readme to load NERDTree before vim-webdevicons (@hoop33)
• Fix: Automatically turning off NERDTree support (@hoop33)
• general readme updates