Merge pull request #8 from rugggg/master

Messaging merge
added "send" action button on keyboard
update
make the current layout to all linearlayout(looks more uniform)
make the message box empty after sending the message
disable user from sending empty messages
clear edit text after sending a message
Created homescreen
Made shyHi logo the new launcher and header of every activity
Created progress screen for when loading new chat
Created a new custom row for conversations
Merge pull request #10 from ZiyiChen/master

changes made by ZiyiChen
Revert "changes made by ZiyiChen"
Merge pull request #13 from ChapmanCPSC370/revert-10-master

Revert "changes made by ZiyiChen"
Merge pull request #11 from meza112/master

disable users from sending empty messages and added "send" action button in activity_conversation.xml
Merge pull request #12 from jenre6/master

Created homescreen
Merge pull request #4 from ChapmanCPSC370/master

Pull Contriubutions