ChooseTemplateStep
VcsRootDetector refactoring

*VcsRootDetector Implementation moved to vcs-impl;
*VcsRooDetector interface added;
*below detector removed from appropriate class;
*VcsRootDetectorInfo removed as unnecessary;
*method for below project dir detection created in VcsIntegrationEnabler class
VcsRootDetectorI renamed
String.format annotation
FileInputStream, FileReader, FileWriter, InputStreamReader, OutputStream, PrintStream & PrintWriter annotations
Formatter & Scanner annotations