Merge pull request #2 from danielalencar/master

Allright, Adding the feature...
from: danielalencar:
Adding the feature "Evaluation" to the PubShare application. This …
feature provides a way for evaluating the articles that have been
downloaded and presents the evaluations already done by others
reviewers.
Merge pull request #3 from luksrn/master

First attempt of using styles in android ListView.
Adding the functionality to click the notification displays the downloaded pdf.
Improvements in the exclusion of an article downloaded.
Refactoring download service to write the file to the memory card. Thought behind the implementation described in http://developer.android.com/guide/topics/data/data-storage.html # filesExternal
Adding contextual menu in the list of downloaded items.

Changes overshadowed by daniel change. Will be resolved later.
Began the article evaluation activvity
Merge pull request #5 from luksrn/master

Change packages seeking standardization of code.
push from danielcalencar.git and some refactoring
Merge branch 'development' of https://github.com/adorilson/pubshare into
adorilson-development

Conflicts:
	AndroidManifest.xml
Preparation for refactoring component download for use DownloadManager. Maintain compatibility with v2.3, API level 9
Add Receivers to be notified in the event download.
Refactoring use Download Manager to download. getting started the persistence of the information downloads.