Polishing

NEW CHANGES
- Program now centered upon starting and expanding
- Set zoom slider minimum to 1
- Set minimum size for program opening if screen is small, otherwise
size = screen size/1.5
- Parametrized JComboBox for fonts
- Changed generatePDF to update the livepreview so two calls aren't
required
- Added reset button to reset all values to defaults (document open sets
defaults)
- Added/updated description/help tips for everything

FIXES
- Removed some unused imports
- Fixed zoom > 400 entered
- Fixed'About'
- Fixed spacing (in code) in ALL classes
- Fixed sliders (tick marks)
- Fixed right/left margin slider limits
- Fixed default Subtitle size (back to 16 from 8)
- Depreciated some methods in testing classes, now followed with ERROR
- Temporary pdf renamed from " .pdf" to "temp.pdf" for better
understanding/readability

TO DO/BROKEN
- Log does not work ("java.io.IOException: Couldn't get lock for
logs/MyLogFile 1395552626594.log")