Fix antialising when resizing by hand.

Antialising setting was lost when the terminal is resized by hand.
(Ubuntu 11.10, 64 bit, Java 1.6u29)
Factorize setupAntialiasing() call into setUpImages()
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/com/jediterm/swing/SwingTerminalPanel.java
Remove unnecessary overwritten paint() method from
SwingTerminalPanel.java
Merge pull request #1 from Plonk42/master

Fix anti-aliasing issue