Clean up the epub, try and fix the coverpage

Cleaning up the epub, trying and fix the coverpage is done everytime an epub is written

java -jar epublib-1.0-SNAPSHOT.one-jar.jar --in inputbook.epub --out result.epub  --type epub

Change the title of an epub

java -jar epublib-1.0-SNAPSHOT.one-jar.jar --in inputbook.epub --out result.epub --title "new title" --type epub

Apply XSL stylesheet to every section of the book

java -jar epublib-1.0-SNAPSHOT.one-jar.jar --in inputbook.epub --out result.epub --xsl "my_stylesheet.xsl" --type epub