Merge pull request #27 from flyingDavid/master

Ignore whitespaces after the equals sign
Implemented desktop file IDs

See appendix E "Desktop File ID" of the spec.
Replaced all remaining tabs with appropriate space-based indentation.
Disabled SearchPath and LocaleSuffix diagnostics in non-debug builds
Add support for the "OnlyShowIn" and "NotShowIn" tags
Merge pull request #1 from enkore/master

Update from original
Merge branch 'master' of https://github.com/flyingDavid/j4-dmenu-desktop into env-test

Conflicts:
	src/Application.hh