amberc.js: reject if no program file is given, rename AmberC to AmberCompiler, update logging output
amberc: update to latest 'globals' changes
amberc.js: globalJsVariables is defined on the smalltalk, not the globals object
Simpler processing of expressions using .concat.
Merge pull request #846 from herby/concat-simplification

Simpler processing of expressions using .concat.
Merge pull request #845 from mkroehnert/compiler

update amberc to use the new 'globals' variable