Merge pull request #155 from ebraminio/master

[fa] Adding more rules with suggestion (fixes #154)
[de] small code cleanup / optimization
[fr] fixed some false positives.
[GUI] use RTL orientation for languages written with right to left scripts (issue #142)
improve javadoc; don't crash on empty lines
[fr] fixed false positive in "nombre d'oxydation".
[fr] fixed false positive in "encre sur soie" and
     removed dubious rule.
make the timeout exception more user-friendly
[de] fix false alarms
simple blog downloader and checker to see how LT performs on blog texts (requires API key from readability.com)
[fr] fixed false positives in rule M_APOS.
Persian and Dutch Wikicheck
[nl] rule updates by Ruud Baars
[fa] Adding Persian test
[fa] Adding Persian module contributors' names