Unwanted file packaged with the JAR

[hlship]

$ jar tvf target/twixt-0.1.4.jar
    93 Fri Nov 08 11:16:50 PST 2013 META-INF/MANIFEST.MF
  4521 Fri Nov 08 11:16:50 PST 2013 META-INF/maven/io.aviso/twixt/pom.xml
   141 Fri Nov 08 11:16:50 PST 2013 META-INF/maven/io.aviso/twixt/pom.properties
   976 Fri Nov 08 11:16:50 PST 2013 META-INF/leiningen/io.aviso/twixt/project.clj
   976 Fri Nov 08 11:16:50 PST 2013 project.clj
  8626 Fri Nov 08 11:16:50 PST 2013 META-INF/leiningen/io.aviso/twixt/README.asciidoc
 11358 Fri Nov 08 11:16:50 PST 2013 META-INF/leiningen/io.aviso/twixt/LICENSE-2.0.txt
   260 Tue Nov 05 16:41:42 PST 2013 log4j.properties
119892 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/bootstrap3/css/bootstrap.css
 14079 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/bootstrap3/fonts/glyphicons-halflings-regular.eot
 63157 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/bootstrap3/fonts/glyphicons-halflings-regular.svg
 29512 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/bootstrap3/fonts/glyphicons-halflings-regular.ttf
 16448 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/bootstrap3/fonts/glyphicons-halflings-regular.woff
 58458 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/bootstrap3/js/bootstrap.js
242142 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/bootstrap3/js/jquery-2.0.3.js
    30 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/coffeescript-source.coffee
    22 Fri Nov 08 09:53:52 PST 2013 META-INF/assets/colors.less
   101 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/compiled-coffeescript-source.js
   312 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/compiled-jade-source.html
    27 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/compiled-sample.css
     7 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/f1.txt
   149 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/invalid-coffeescript.coffee
    60 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/invalid-less.less
   266 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/jade-source.jade
    19 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/sample.js
    54 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/sample.less
     7 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/sub/f2.txt
     7 Tue Nov 05 16:41:42 PST 2013 META-INF/assets/sub/f3.txt
   209 Fri Nov 08 10:57:36 PST 2013 META-INF/assets/twixt/exception.coffee
   406 Thu Nov 07 16:20:12 PST 2013 META-INF/assets/twixt/exception.less
200362 Tue Nov 05 16:41:42 PST 2013 META-INF/twixt/coffee-script-1.6.3.js
   488 Tue Nov 05 16:41:42 PST 2013 META-INF/twixt/invoke-coffeescript.js
  6148 Thu Sep 12 16:49:04 PDT 2013 META-INF/assets/bootstrap3/.DS_Store
  6148 Thu Sep 12 16:49:30 PDT 2013 META-INF/assets/bootstrap3/css/.DS_Store
  6148 Thu Sep 12 16:49:24 PDT 2013 META-INF/assets/bootstrap3/js/.DS_Store
  1495 Fri Nov 08 10:23:54 PST 2013 io/aviso/twixt/coffee_script.clj
  6491 Fri Nov 08 11:04:52 PST 2013 io/aviso/twixt/exceptions.clj
  3959 Fri Nov 08 10:24:28 PST 2013 io/aviso/twixt/fs_cache.clj
  1244 Fri Nov 08 10:24:56 PST 2013 io/aviso/twixt/jade.clj
  3016 Fri Nov 08 10:27:10 PST 2013 io/aviso/twixt/less.clj
  2860 Fri Nov 08 10:27:58 PST 2013 io/aviso/twixt/memory_cache.clj
  1331 Tue Nov 05 16:46:32 PST 2013 io/aviso/twixt/rhino.clj
  3698 Wed Nov 06 09:36:36 PST 2013 io/aviso/twixt/tracker.clj
  3466 Fri Nov 08 09:55:14 PST 2013 io/aviso/twixt/utils.clj
  7241 Fri Nov 08 11:04:08 PST 2013 io/aviso/twixt.clj

Looks like some dev-only assets (used for testing) have gotten mixed in, along with some Mac .DS_Store files.

[hlship]

In more recent builds, most of the dev-only stuff went away, but still have the .DS_Store files.