improved the animate hand method
Added set-up details

Readme now contains set-up details for non-Maven projects, thanks to @thetutlage. Closes issue #23. 
Fixed very unsmooth font on Android 2.3.7
Fixed custom click listener not preserved on initialization
Merge pull request #28 from andreynovikov/master

Custom click listener not preserved and unsmooth font issue fixes
Merge pull request #21 from Leandros/patch-1

improved the animate hand method
Merge branch 'master' of https://github.com/Espiandev/ShowcaseView