Merge pull request #113 from paulojribp/master

Changing format for README file to markdown
Fixed #114: Implementation proposed by Jean Merelis, CEJUG Member (https://groups.google.com/d/msg/cejug/8y9FofnRoDo/_YV20W7p9AEJ). It works and it may stay active until Glassfish4 bug is solved.
Merge branch 'master' of github.com:htmfilho/yougi

Conflicts:
	docs
Fixed #115: the new role speaker and its respective group were added to the application.
Fixed #116: Bootstrap artefacts added to the project. Additional small fixes.
Issue #117: classes from the ejb module merged with classes from the web module.
Issue #117: ear and ejb modules removed. Files from the war module moved to the root.
Fixed #117: Context root reestablished to /ug.
Issue #118: Navigation bar, footer, login box and highlight box.
Issue #118: Showing events and news in a maximum of 3 columns.
Issue #118: Improving presentation of events, posts, with spacing, color and layout adjusts.
Issue #118: Migrated knowledge/websites and registration form to bootstrap.
Fixed #94: A published post can be edited now.
Issue #118: fixes in the home page.
Issue #119: Listing all possible tracking available when creating a session.
Issue #119: Edition of tracks.
Removing submodule "docs".
Fixed #120