New XML parser with XPATH
FTP connector support passive mode
Removing node using XPATH on HTMLParser
HTML Parser can ignore tags located by a xpath query 
Conflicts:
	src/main/java/com/jaeksoft/searchlib/index/IndexAbstract.java
	src/main/java/com/jaeksoft/searchlib/index/IndexSingle.java
XPath exclusions supports multiline
Fixes issue #264
Fix issue #261.
Add tasks info in Scheduler API
Support of multi lines in Parser properties
Better error handling on HTML Parser
Merge pull request #276 from emmanuel-keller/master

Bug fixes and improvement