XML Import

unfinished
prototyping
prototyping2

working prototype.
problems:
- range also counts the commands (file2 tag2: [44:65], tag3: [82:88])
- skips commands in file1: <pre>, <span>, <a href>
prototyping
TEIContentHandler

added TEIContentHandler
added 31 nonlinebreakingElements
- further testing required to determine whether more should be added
Merge branch 'f27' of https://github.com/catmadevel/catma-core into f27

Conflicts:
	src/de/catma/document/source/contenthandler/XMLContentHandler.java
started vaadin 7 migration
handling multiple properties at once
substitute problematic characters, we support unicode and that's it
Merge remote-tracking branch 'mpetris/vaadin7' into vaadin7
modifications for rtl languages
Merge branch 'vaadin7', remote-tracking branch 'origin/vaadin7' into vaadin7
ltr detection
Merge remote-tracking branch 'mpetris/vaadin7' into vaadin7
rtl languages support
graphdb property
Added arabic rtl support
properties loading on server start
Merge branch 'vaadin7' into graphdbindex
add collection() function to TagLibrary