activity add city async task

optimize async task in activity add city
activity main async task fix

fix: activity main reload data after return from another activity
del comment

del comment
activity details async task fix

fix async task to rerun on resume activity
add actionbar search

replace search edittext with android actionbar searh
counties added

add countries info to activity add city page and cityinfo class
bits

little changes
added constants

replace strings with constants
misc

misc