BugFix 1.0

- Fixed automatic scroling when user selects a category to scroll to the
projects part instead of the top of the page
- Change button text from "Podporit" to "Ukonceny" for all ended
projects in the project details page
- in "form_submit.js" changed all .css and .text atributes to
"display_error_message" function for informatio message displays
- removed signup popup window click function so the login window no
longer works as a popup window