Migrate blue windows to silver groupboxes
Integration of PdfCrack with PdfBox and IcePdf
Conflicts:
	src/main/java/com/jaeksoft/searchlib/ClientCatalogItem.java
Update dependencies to last versions
Conflicts:
	pom.xml
Add log information when a thread reaches the time limit
Merge pull request #317 from emmanuel-keller/master

PDFCrack integration, few improvements