fix dynamic width calculation
Merge pull request #133 from progandy/master

fix dynamic width calculation
Little adjustments

Corrected text filling to 72 columns, indentations between lines, some miswriting (“<s/>”), points, caps, <pro://url/file.html> syntax, etc.
make notification stacking optional

see #137
Merge remote-tracking branch 'galex-713/patch-1' into merge

Conflicts:
	dunstrc
Remove from history on left click. Show all history on ctrl-grave.