bumped app version

update version code 100

updated version

update 94

update 90; few UI improvements in whatsnew dialog

Swati4star#420-add splitting options (Swati4star#567)

fixes Swati4star#551 - issue with pdf to image

Swati4star#538 - Update to Spanish (ES) translation to strings.xml (S…

…wati4star#546)

Swati4star#533 - changes in cropimage activity (Swati4star#544)

fixes Swati4star#529 - sharing images using third party apps; removed…

… unused resources