JBIDE-13463: Replace eclipse-update-site by eclipse-repository
JBIDE-13463 remove generated index.html files
JBIDE-13463 add .gitignore to hide index.html files and eclipse platform binaries
update root pom to use newer parent pom; set version 4.1.0-SNAPSHOT; update example build commands
JBIDE-13463 instead of hard coded value of JBT_VERSION, use project.version and strip off the -SNAPSHOT suffix; make log quieter
improve example for how to build; pass in project.version instead of hardcoded JBT_VERSION (JBIDE-13463)
fix parent version
improve example for how to build; pass in project.version instead of hardcoded JBT_VERSION (JBIDE-13463)
improve example for how to build; pass in project.version instead of hardcoded JBT_VERSION; mark deprecated (JBIDE-13463)