Modified ImportFileData
Modified IFileImporter to accept a String on runImport, made changes
accordingly. Twit wizard works now, and properly executes the twitter
data plugin!
Initial polish work on About/Install UI
Updated analysis and visual ctabItems
Added descriptor to bottom of buttons generated on analysis tab
Removed About Dialog, Replaced with About Wizard.
Removed System.out's and filter out non feature groups
Fixed an issue where chosing an non-repository location would throw
error messages.

Future plan to display these errors ad message dialogs to user
changed file read write in TextData to use "UTF-8" charset instead of
the platform default
Merge branch 'talbot' into dev

Conflicts:
	src/LinGUIne/handlers/InstallHandler.java
	src/LinGUIne/wizards/InstallWizard.java
	src/LinGUIne/wizards/InstallWizardPage.java
	src/LinGUIne/wizards/P2Data.java
Merge branch 'maresca_merged' into dev

Conflicts:
	META-INF/MANIFEST.MF