Moved stylesheets out of the WEB-INF directory

.gitmodules

src/main/java/info/textgrid/services/aggregator/Help.java

src/main/java/info/textgrid/services/aggregator/Version.java

...nfo/textgrid/services/aggregator/epub/EPUBSerializer.java

...va/info/textgrid/services/aggregator/html/HTMLWriter.java

src/main/java/info/textgrid/services/aggregator/pdf/PDF.java

...java/info/textgrid/services/aggregator/zip/ZipResult.java

src/main/webapp/stylesheets/corpus2groups.xsl

src/main/webapp/stylesheets/db2xhtml.xsl

src/main/webapp/stylesheets/epub-agg.xsl

src/main/webapp/stylesheets/epub.xsl

src/main/webapp/stylesheets/extractbody.xsl

src/main/webapp/stylesheets/frame.xsl

src/main/webapp/stylesheets/preview.xsl

src/main/webapp/stylesheets/tghtml-common.xsl

src/main/webapp/stylesheets/wadl_documentation-2009-02.xsl

src/main/webapp/tei-stylesheets

...o/textgrid/services/aggregator/StylesheetManagerTest.java