add utils class for ID generator. move key conversion method to utils class as well.
create ids.xml file as placeholders for the ids for the optional edittexts.
remove unecessary code.
add prompts for optional edittexts.
minor style changes
change id generator for dynamically populated textboxes to original hacky method.
add optional edittexts to doctor prompt and child prompt. all information saves on rotation. make stylistic tweaks to xml for better uniformity.
fix merge conflicts and optimize inputs.
make layout widths uniform.
implement alert dialog feature.
add strings for alertdialog.
clean up code and optimize imports.
add newlines at end
add javadoc for utils class. add new line.
Merge pull request #109 from calblueprint/byron/security_key

Byron/security key