Spanish translation (thanks to @juanda-097)

Spanish translation.

Fix tablet-related bug with Camera.open call

On certain devices (Kindle Fire, Nook HD+), Camera.open throws an exception instead of returning null - this handles this case.

Czech translation courtesy of Jaroslav Lichtblau

Merge pull request #3 from svetlemodry/master

Czech translation file added

Updates to icons, Android SDK version

• Adds additional screenshots to meet Amazon Appstore requirements
• Updated to use minSdk=9 (vs. minSdk=7) and maxSdk=19
• Log.d statements no longer commented-out

Improvements and translation updates

• Merged in pull request (French Translation: #2)
• Merged in pull request (Readme, formatting enhancements: #1)