Merge pull request #131 from topcoderinc/dan-S-180031

add challengeType var to get rid of js error from challenge-submit.js
Update RSS icon placement on challenge pages
ajax_func.php changes
Do not display download links if not logged in
Add missing file
js changes
Took countries out of footer.php
i-107555: Fix challenge links on grid view
update member_count/activitySummary calls to use new api

http://api.topcoder.com/v2/platform/statistics
update platform stat keys from old to new

active_members_count => activeMembersCount
prize_purse => prizePurse
active_contests_count => activeContestsCount
Merge pull request #132 from topcoderinc/indy-i101434_rss_placement

Update RSS icon placement on challenge pages
Merge pull request #135 from topcoderinc/indy-i107555_challenge_link_grid_view

i-107555: Fix challenge links on grid view
Merge pull request #133 from topcoderinc/indy-i101434_time_left

Do not display download links if not logged in
Merge pull request #136 from topcoderinc/dan-S-200115

Fix to update platform stats to use new API
Re-added default value
Removed access of $_GET
Changed ajax call to load only when user is logged out
I-104857: do not show round dates on challenge listing if they are blank
Merge pull request #137 from topcoderinc/indy-i104857-round1_dates

I-104857: do not show round dates on challenge listing if they are blank
I-108564: Remove target _blank on registration links