Merge pull request #17 from jklemke03/jklemke03

Fixed Math problems with the octal issues.
Changed layout of main activity to linear layout
Added In secondary relative layout for buttons
Removed settings button on menu
Merge pull request #18 from Draedalus/cbh23_local

Two Commits
Added Data Sanitization and Icons
Merge pull request #19 from Draedalus/cbh23_local

Added Data Sanitization and Icons
Cleaned up code. Deleted Settings class and references. Made all curly
brackets the same. Changed decimalText to decText.