rebar build: check .app file exists
external build: detect when it can't be run
add rebar test for missing .app.src
remove more debug printouts
add builder UI to project wizard page
rework project wizard
go back to just one output dir per project
update copyright notices
let project wizard use project properties directly
use the right builder when creating project
gather builders in an enum
fix emake builder and some new wizard
wip
new wizard: move runtime version to first page
new wizard: extract paths UI to common class
new wizard: add explanation for what the builders mean
set default version back to R14, need preparations to change
fix builder tests
move builders to separate package
move configurator to BuilderInfo