Added system property to allow javafx to be embedded in mac application.
Sigar now loads correctly on mac
Fixed timeline on unix platforms
Fixed UI issues on mac os x
Added Mac OS X icon file
Added better documentation to Look and Feel setup
Updated JavaFx References to use newest JavaFX API.
Changed LNF to more modern Nimbus.
Added updated JavaFx reference that was missed in earlier commit
Fixed null pointer exception on closing case.
Added .form files for Video Panels
Updated gstreamer form
Merge https://github.com/jawallace/autopsy into macosx
Merge branch 'forms'

Conflicts:
	Core/src/org/sleuthkit/autopsy/core/Installer.java
	Core/src/org/sleuthkit/autopsy/corecomponents/FXVideoPanel.java
	Core/src/org/sleuthkit/autopsy/corecomponents/GstVideoPanel.java
Updated forms to use correct layout
Merge branch 'forms' - readded forms to video panels

Conflicts:
	Core/src/org/sleuthkit/autopsy/corecomponents/FXVideoPanel.java
Merge branch 'forms' into macosx
Merge https://github.com/sleuthkit/autopsy
Updated FX video panel initialization
Merge https://github.com/sleuthkit/autopsy into macosx

Conflicts:
	Core/src/org/sleuthkit/autopsy/core/Installer.java
	Core/src/org/sleuthkit/autopsy/corecomponents/FXVideoPanel.java
	Core/src/org/sleuthkit/autopsy/corecomponents/GstVideoPanel.java