Initial commit
Merge branch 'master' of github.com:ieugen/trainings
Initial project import
Added parent pom
Added README, updated structure

* each training has it's own parent pom with aggregation
Created code for DI introduction
Split code into api, impl

* added spring BOM
Added guice, cdi, dagger samples
Split intro: notebook-spring, notebook-manual-di

* renamed package intro in notebook
Using API interfaces instead of implementation