Add notification image when everyone finished voting

fning

version 1
Icon will show up if voting button is clicked for the last vote

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make sure the icon show up when update

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Adds ability to open sessions with drag. acbragdon
Merge pull request #170 from alexbragdon/Iteration-6-dev

IGNORE THIS TOO
fixes merge conflicts
fixes merge conflicts, enforces formatting on files
Merge pull request #161 from alexbragdon/feature/Iteration-6-dev-voting-box-errorMsg

Add notification image when everyone finished voting
Finishes the implementation of opening via a drag and drop. acbragdon
Fixes #163. bjmcmorran
Fixes formatting in MySessionPanel.java. bjmcmorran
Merge pull request #172 from alexbragdon/feature/Iteration-6-dev-OpenSessionWithDrag

Feature/iteration 6 dev open session with drag
change layout of that picture

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Fixes #175. bjmcmorran
adds new voting complete image for the voting tab
Fixes #176. bjmcmorran
change layout of session panel. Set button invisible instead of enable.

fning
fixes the number of sides on the stop sign
closes session in db when all users vote
Disable the voting for a user who is currently voting if another user closes the game. acbragdon