Ignore *.*~ files
Ignore *.*~ files

Added to ignore *.rst~ files, but many other file extensions
are editable and will create *~ files.

Change-Id: I72b50c5eba29f635dea0128b477fdb65ad9819f3

PersianWikipedia/pywikibot-core,icyflame/batman,jayvdb/pywikibot-core,happy5214/pywikibot-core,xZise/pywikibot-core,valhallasw/pywikibot-core,wikimedia/pywikibot-core,npdoty/pywikibot,TridevGuha/pywikibot-core,magul/pywikibot-core,emijrp/pywikibot-core,VcamX/pywikibot-core,h4ck3rm1k3/pywikibot-core,h4ck3rm1k3/pywikibot-core,Darkdadaah/pywikibot-core,trishnaguha/pywikibot-core,wikimedia/pywikibot-core,npdoty/pywikibot,smalyshev/pywikibot-core,magul/pywikibot-core,jayvdb/pywikibot-core,darthbhyrava/pywikibot-local,hasteur/g13bot_tools_new,happy5214/pywikibot-core,Darkdadaah/pywikibot-core,hasteur/g13bot_tools_new,hasteur/g13bot_tools_new