Update Home.rhtml

Fixed typos.
Update CommunityApps.rhtml

Rewrote descriptions for consistency.
Update OpenAustin.rhtml

Corrected typos.
Update OpenData.rhtml

Edited for typos/consistency.
Update Home.rhtml

Edit for consistency.
Update OpenData.rhtml

Edit for consistency.
Merge pull request #9 from kernion/tx-govt-summit-2014

Tx govt summit 2014