Add deploy step for travis

Sync up to the travis branch to support early adopters.

Fix issues caused by #37 related to #15

Various upgrades from ANTLR branch

Fix antlr handling of code folder

…ssing into antlr_fix_performance

 Fix escaped characters for character literals.

[master] A number of performance improvements for ANTLR including new grammar

Automated code import fix

Fix timestamp injection on deploy.

Error message generation fixes

Sync sampottinger/master with latest from ANTLR branch.

Expose width and height of sketch on preprocessor result.

Allow PdePreprocessor clients to specify code folder imports flexibly.

Update travis branch with processing-master

Update sampottinger/master with recent changes to processing/master