Update python snippets

There are some of the plugins, which I never use in my workflow, so that
I've removing them. Other than that, narrow down filetype specific
plugins to the right file types.

Also removed js specific plugins, and rely only on those provided by
vim.

snippets/python.snippets

@@ -12,16 +12,16 @@ snippet dbg Python Debugger abbrv
 snippet ipdb ipdb abbrv
 	__import__('ipdb').set_trace()
 snippet rpdb remote_pdb debbuger
-	__import__('remote_pdb').set_trace()
+	__import__('remote_pdb').RemotePdb('127.0.0.1', 4444).set_trace()
 snippet msg Tk graphical message
-	from Tkinter import Tk
-	import ttk
-	import tkMessageBox
-	window = Tk()
+	import tkinter
+	import tkinter.ttk
+	import tkinter.messagebox
+	window = tkinter.Tk()
 	window.wm_withdraw()  # make window invisible. we only want message boxes
-	ttk.Style().theme_use('clam')
-	tkMessageBox.showinfo(title="${1:title}",
-						  message="${2:msg}",
-						  parent=window)
+	tkinter.ttk.Style().theme_use('clam')
+	tkinter.messagebox.showinfo(title="${1:title}",
+								message="${2:msg}",
+								parent=window)
 snippet _ Dunder completion
 	__${1:init}__$0

vimrc

@@ -11,16 +11,14 @@ endif
 
 call plug#begin('~/.vim/bundle')
 
-Plug 'Valloric/MatchTagAlways'
+Plug 'Valloric/MatchTagAlways', { 'for': ['html', 'xml'] }
 Plug 'ayuanx/vim-mark-standalone'
 Plug 'davidhalter/jedi-vim', { 'for': 'python' }
-Plug 'dogrover/vim-pentadactyl'
-Plug 'ericpruitt/tmux.vim'
 if has("patch-8.0.1453")
     Plug 'fatih/vim-go', { 'do': ':GoInstallBinaries' }
 endif
 Plug 'dense-analysis/ale'
-Plug 'fs111/pydoc.vim', { 'for': 'python' }
+Plug 'fs111/pydoc.vim', { 'for': 'python' } " adds Pydoc command and K under cursor
 Plug 'gryf/dragvisuals'
 Plug 'gryf/pep8-vim', { 'for': 'python' }
 Plug 'gryf/pylint-vim', { 'for': 'python' }
@@ -28,32 +26,26 @@ Plug 'gryf/python-syntax', { 'for': 'python' }
 Plug 'gryf/python.vim', { 'for': 'python' }
 Plug 'gryf/pythonhelper', { 'for': 'python' }
 Plug 'gryf/snipmate.vim'
-Plug 'gryf/vim-latex-compiler'
+Plug 'gryf/vim-latex-compiler', { 'for': 'tex' }
 Plug 'gryf/wombat256grf'
-Plug 'gryf/zoom.vim'
+Plug 'gryf/zoom.vim'  " control gui font size with '+' or '-; keys. 
 Plug 'habamax/vim-rst', { 'for': 'rst' }
 Plug 'honza/vim-snippets'
-Plug 'kazuyukitanimura/jsbeautify'
 Plug 'kien/ctrlp.vim'
-Plug 'mattn/calendar-vim'
 Plug 'mikeage/occur.vim'
 Plug 'mileszs/ack.vim'
-Plug 'myhere/vim-nodejs-complete', { 'for': 'javascript' }
 Plug 'othree/html5.vim', { 'for': 'html' }
-Plug 'pangloss/vim-javascript', { 'for': 'javascript' }
-Plug 'pcaro90/jpythonfold.vim'
+Plug 'pcaro90/jpythonfold.vim', { 'for': 'python' }
 Plug 'preservim/nerdcommenter'
 Plug 'preservim/tagbar'
 Plug 'regedarek/ZoomWin'
 Plug 'rust-lang/rust.vim', { 'for': 'rust' }
 Plug 'sjl/gundo.vim'
-Plug 'skammer/vim-css-color'
-Plug 'terryma/vim-multiple-cursors'
+Plug 'skammer/vim-css-color', { 'for': 'css' }
 Plug 'tpope/vim-fugitive'
 Plug 'tpope/vim-repeat'
-Plug 'machakann/vim-sandwich'
+Plug 'tpope/vim-surround'
 Plug 'vim-scripts/DrawIt'
-Plug 'vim-scripts/JavaScript-Indent', { 'for': 'javascript' }
 Plug 'vim-scripts/LanguageTool'
 Plug 'vim-scripts/ShowMarks'
 Plug 'vim-scripts/indentpython', { 'for': 'python' }
@@ -379,8 +371,6 @@ endfunction
 "remove all trailing whitespace for specified files before write
 autocmd BufWritePre * :call <SID>StripTrailingWhitespaces(0, 'n')
 
-"set correct filetype for tmux
-autocmd BufRead *.tmux.conf set filetype=tmux
 autocmd BufRead *.mako set filetype=mako
 autocmd BufRead *.ass, *asm set filetype=kickass
 
@@ -546,10 +536,6 @@ let g:tagbar_type_vimwiki = {
 \ }
 " Note: see statusline settings for status bar tag conf
 "}}}
-"Sandwitch {{{2  
-" Make sandwitch to use my memorymuscle craved shorcuts for surround
-runtime macros/sandwich/keymap/surround.vim
-"}}}
 "VimWIKI {{{2
 let g:vimwiki_list = [{'path': '~/vimwiki/',
           \ 'template_path': '~/vimwiki/',