Przerywanie działania programu + komunikat nie zwalidowanego url
Added simple progress indicator
Fixed a problem with fetching comments when they contain an invalid XML character (0xC)

The input stream is filtered before passing it to the XML parser and invalid character is replaced with space character
Filtered all invalid XML characters out of the input stream
Begining work on multi threading

This is not finished yet.
Getting work progress indicator with multithreading mechanism
Common AuthenticationPanel for jira and bugzilla
Merge branch 'bugzilla_online_plugin_feature' of https://SkuzmaN@github.com/mnegacz/ic-depress.git into bugzilla_online_plugin_feature
Corrected files encoding and authors
Refactored concurrent fetching bugs in client adapter
Reverted progress indicator
Replaced cookie set with thread safe set in client transport class
Introduced advanced tab with threads and tasks options

Renamed filter class to more general options

Corrected mock in integration test
Moved url and "date from" to common panel
Merge branch 'bugzilla_online_plugin_feature' of
https://SkuzmaN@github.com/mnegacz/ic-depress.git into
bugzilla_online_plugin_feature

Conflicts:
	ic-depress-base/src/org/impressivecode/depress/its/ITSAuthenticationPane.java
	ic-depress-its-bugzilla/src/org/impressivecode/depress/its/bugzilla/BugzillaOnlineAdapterNodeDialog.java
Merge branch 'bugzilla_online_plugin_feature' into dev