Update README.md
Update README.md
Update README-pt.md
creating a logo
Added support to set friendlyURL to false, so pushState will not be used;
Added showWarning, showWarn and showError methods to the global PPW namespace;
Added isLocked method to the global PPW namespace;
Fixed problems with the go-to feature
Added support to enable native shortcuts not overwriting them;
Changes to the layout of the search and goTo tools;
Added style to buttons on the message-box;
Created templates variable to control html elements that are dynamically created;
Added 'verbose' setting so logs, warnings and errors can be hidden;
Added annotation comments to missing methods;
Fixed problem with mousewheel event;
Avoiding facebookk and google+ errors when the browser is offline
Added section slide to the demo presentation
Merge branch 'master' of https://github.com/braziljs/power-polygon
Changes to the colors of presentation tool;
Added shortcut alt+f for finding feature;
Added 'useArrows' e 'useOnlyArrows' to settings;
Added arrows to the platform, so themes may change the way these arrows are displapyed.
Added support to different vendors transitions for the arrows
Added useToolBar option to settings(default true);applied changes to the way actions are triggered;
Added addAction to the slide object API
Working on the BrazilJS theme;
Fixed problems with the arrows and some event conflicts;
Exposed goToSlide to the PPW object;
Added a couple of images to the BrazilJS Theme
Added onlock, onunlock and onlangchange events;
Changes to the behaviour of the arrows when the presentation gets locked/unlocked and at the first and last slides
audio issue fixed #44
closing #audioPlaceHolder div
Merge pull request #46 from guilhermepontes/master

This pull request:
fixes the audio issue;
closes the unclosed div in the audio placeholder;