Merge remote-tracking branch 'upstream/develop' into timeline_threading_review

...org/sleuthkit/autopsy/casemodule/OpenRecentCasePanel.java

Core/src/org/sleuthkit/autopsy/casemodule/RecentCases.java

...c/org/sleuthkit/autopsy/casemodule/UpdateRecentCases.java

...c/org/sleuthkit/autopsy/datamodel/FileTypeExtensions.java

Core/src/org/sleuthkit/autopsy/datamodel/Tags.java

...t/autopsy/modules/embeddedfileextractor/Bundle.properties

...opsy/modules/embeddedfileextractor/SevenZipExtractor.java

...hkit/autopsy/modules/exif/ExifParserFileIngestModule.java

...leuthkit/autopsy/modules/filetypeid/FileTypeDetector.java

Core/src/org/sleuthkit/autopsy/report/ReportHTML.java

docs/doxygen/modDevPython.dox

docs/doxygen/platformConcepts.dox

pythonExamples/Aug2015DataSourceTutorial/FindContactsDb.py

pythonExamples/Aug2015DataSourceTutorial/README.txt

pythonExamples/Aug2015DataSourceTutorial/RunExe.py

...amples/July2015FileTutorial_BigRound/FindBigRoundFiles.py

pythonExamples/July2015FileTutorial_BigRound/README.txt

...onExamples/July2015FileTutorial_BigRound/bigRoundFile.dat

...onExamples/July2015FileTutorial_BigRound/notRoundFile.dat

pythonExamples/dataSourceIngestModule.py