addition of media queries for responsive design in TAB and Mobile devices
changed hover-color for rows of the result table to dark for handheld devices (not much of use though)
shadow for homepage image
 adding presentation slides
stop http requests when "search again" button is clicked
responsive login-div (change in width)
separate css files for desktop, tabs and mobiles
multiple clicks on SEARCH button are prevented
button-border class in app.css
minor changes
minor changes
ng-required instead of required in input boxes
progressBar animation stops after completion
minor changes in progressBar and copying code to old_css_for_desktop from desktop.css
removing "required" from HTML and creating Dialog boxes for errors of incomplete input
font changed to "sansation" (supported by Chrome too)
bug with multiple SearchButton clicks is fixed
comments in app.js for MODEL ($scope variables)
uppercase filter for first_name and last_name of queried person
changes in width of leads_list for desktop, tab and mobile screens