fixes from TC BUGR

https://apps.topcoder.com/bugs/browse/BUGR-11213
BUGR-11213 fixes
Merge pull request #110 from MonicaMuranyi/dan-S-180031

BUGR-11213 fixes
BUGR-11213 - Replace GET request with POST request
Merge pull request #117 from MonicaMuranyi/dan-S-180031

BUGR-11213 - Replace GET request with POST request
Merge branch 'dev' into dan-S-180031

Conflicts resolved:
	wp-content/plugins/TcApi-hookup/includes/ajax_func.php
	wp-content/themes/tcs-responsive/css/style.css
	wp-content/themes/tcs-responsive/lib/rewrite_rules.php
fix text in develop challenge submit page
addressed pull 121 comments for BUGR-11213
Merge pull request #122 from MonicaMuranyi/dan-S-180031

addressed pull 121 comments for BUGR-11213
add rewrite_rule for submit that was missing after the merges
Merge pull request #121 from topcoderinc/dan-S-180031

Submit Challenge Developer Track