dunstrc, some bash and x changes

vim/.vimrc

@@ -59,6 +59,17 @@ nnoremap <C-k> <C-W><C-K>
 nnoremap <C-l> <C-W><C-L>
 nnoremap <C-h> <C-W><C-H>
 
+" provide movements in Insert mode via the <Alt> modifier key
+inoremap <Esc>h <C-o>h
+inoremap <Esc>j <C-o>j
+inoremap <Esc>k <C-o>k
+inoremap <Esc>l <C-o>l
+inoremap <Esc>w <C-o>w
+inoremap <Esc>b <C-o>b
+inoremap <Esc>x <C-o>x
+
+" fix alt meta mappings in rxvt
+"inoremap <A-h> <ESC>a
 " map ctrl-p to fzf 
 nnoremap <C-p> :Files<CR>
 
@@ -67,6 +78,7 @@ inoremap jj <Esc>
 inoremap jk <Esc>
 inoremap kj <Esc>
 
+
 " blank lines
 nnoremap <Enter> o<ESC>
 nnoremap <S-Enter> O<ESC>
@@ -75,8 +87,6 @@ nnoremap <leader>l :ls<CR>:b<Space>
 nnoremap <Tab> :bnext<CR>
 nnoremap <S-Tab> :bprev<CR>
 
-nnoremap <space> za
-
 map <C-n> :NnnPicker<CR>
 " Opens the nnn window in a split
 let g:nnn#layout = { 'left': '~30%' } " or right, up, down
@@ -91,7 +101,6 @@ call plug#begin('~/.vim/plugged') " vim-plug
 
 Plug 'VundleVim/Vundle.vim'
 Plug 'tpope/vim-fugitive'
-Plug 'tmhedberg/SimpylFold'
 Plug 'vim-scripts/indentpython.vim'
 Plug 'scrooloose/syntastic'
 Plug 'nvie/vim-flake8'    " PEP 8 checking plugin
@@ -133,3 +142,4 @@ let g:lightline = {
     \   'separator': '',
     \ },
     \ }
+