Merge pull request #1074 from mattcallanan/master

Remove propose links for Brisbane 2014.
adding vmware as a sponsor
oops, missed the sponsor image for vmware
Moving Minneapolis from upcoming to past.
Merge pull request #1076 from bridgetkromhout/master

Moving Minneapolis from upcoming to past.
Add AWS OpsWorks as Sponsor for Berlin 2014.
Merge pull request #1077 from jbraeuer/master

Add AWS OpsWorks as Sponsor for Berlin 2014.
Added more TLV 2014 submissions, fixed missing author
Merge pull request #1078 from avishai-ish-shalom/2014-tlv-submissions

Added more TLV 2014 submissions, fixed missing author
add new proposals and ignites to Chicago
Swap out "speaker" for "proposal" for Chicago proposals
capitalize a couple of page names
correct sponsors link
additions to propose page for Chicago fixes #4
remove bio
Merge pull request #1079 from DevOpsDaysChicago/master

proposal updates for chicago
TLV sponsors
Sponsor code syntax error
Added imValues as Bronze sponsor
Merge pull request #1080 from Tolomaus/master

Added imValues as Bronze sponsor