added linreg.Save
changed .gitignore
added class TJsProcess with method sleep
implemented recLinReg.save in JS
Merge branch 'master' of github.com:lstopar/qminer

Conflicts:
	src/qminer/qminer_js.cpp
	src/qminer/qminer_js.h

commitJSdoc builds JS doc and pushes it to official wiki. assumes that qminer and qminer.wiki are in the same folder