Simple rest calls and answers

Fix non-root level interactions being trained on root level

Merge branch 'improve_bot_configuration' of git://github.com/lappis-unb/hubot-natural into lappis-unb-improve_bot_configuration

Add recursive strategy when reading the training corpus

Fix crash with missing error nodes and high trust value

Fix channel interaction

Removing attribute type in YAML, in order to make it cleaner and more flexible

Improve docker solution:
  - Add script to initialize bot configurations;
  - Create docker directory;

Improve documentation:
  - Create documentation of live transfer feature;
  - Create docs directory;
  - Translate "bot config documentation" to english;
  - Remove useless information from CONFIG_BOT docs;
  - Remove PT-BR documentation;

Signed-off-by: Matheus Miranda <matheusmirandalacerda@gmail.com>

Refactoring bot index