Merge pull request #2 from Plonk42/master

Fix a Swing threading model violation
Merge pull request #3 from Plonk42/bug_fix_backBuffer_size

Bug fix : crash when terminalPanel size does not match backBuffer size
Merge pull request #4 from Plonk42/customized_term_size

Allow custom size (columns x lines) for SwingJediTerminal.
Merge branch 'master' of https://github.com/Plonk42/jediterm.git