- added TFolderBackup class. it is able to make regular backups of a given set of folders
- extended TFile and TDir classes with different utility functions like GetFileName, SplitPath and DelNonEmptyDir
- added CopyDir method to TDir
- added functionality - backup & restore
- added RemoveLoggers and NotifyWarn
- updated TReplaySrv: loging of specific functions
- moved TWebPgFetchPersist to webpgfetch
- bug fix: IsOkConns created one more connection than allowed
- bug fix: TWebPgFetchPersist now stores also requests currently in progress when calling Save. we were loosing requests without this
- UpdateObj method
- added TUrlEnv::GetKeyValPrV
- updates to TReplaySrv
made DisconnUrl method protected (from private) so that it can be called from the extended class
- commented out ParseStemmer - it's declared but not defined
- added signal handlers for linux.
- added assertions to GetHex
- existing TFile::Copy did not work on Redhad. changed it to something that works fine
nothing relevant
- added verbose methods where you can also specify TNotifyType
- bug fix: serialization of TUrl was not good if the url contained HttpRqStr
Merge branch 'master' of https://github.com/gregorleban/Qminer

Conflicts:
	src/glib/base/xfl.cpp
	src/glib/base/xfl.h
	src/glib/misc/folderbackup.cpp
	src/glib/misc/folderbackup.h