repowidget: allow custom patch file name when exporting a single patch
hglib: properly handle the case where an older version of Mercurial is in use
logcolumns: add spacing around edge of dialog
grep: add spacing when there is no parent
sync: eliminate addmargin parameter from initializer
hgignore: added context menu item for ** wildcard
hgignore: support ignoring file by double clicking it
hgignore: prompt to add newly created .hgignore file