Use Volley synchronous calls in Stats Tasks
Set the minimum number of threads to 2
Use wordpress.com REST Client v0.0.5
Merge branch 'develop' of https://github.com/wordpress-mobile/WordPress-Android into improved-stats-experience

Conflicts:
	src/org/wordpress/android/ui/stats/service/BarChartTask.java
	src/org/wordpress/android/ui/stats/service/ClicksTask.java
	src/org/wordpress/android/ui/stats/service/CommentsMostTask.java
	src/org/wordpress/android/ui/stats/service/CommentsTopTask.java
	src/org/wordpress/android/ui/stats/service/ReferrersTask.java
	src/org/wordpress/android/ui/stats/service/SearchEngineTermsTask.java
	src/org/wordpress/android/ui/stats/service/TagsAndCategoriesTask.java
	src/org/wordpress/android/ui/stats/service/TopAuthorsTask.java
	src/org/wordpress/android/ui/stats/service/TopPostsAndPagesTask.java
	src/org/wordpress/android/ui/stats/service/VideoPlaysTask.java
	src/org/wordpress/android/ui/stats/service/ViewsByCountryTask.java
Fix an issue where the path for search engine terms is wrong.
Update comment to reflect the purpose of getPath()
Do not hand-code the timeout here, but use the Volley default value (that is what we're using on asynchronous calls).
Merge pull request #1190 from wordpress-mobile/feature/improved-stats-experience

Use volley synch requests in Stats and simplify the code a little bit