Update to EveEveRefTypes model to combat error

Fix to combat the error:

production.ERROR: exception 'Symfony\Component\Debug\Exception\FatalErrorException' with message 'syntax error, unexpected '('' in /var/www/seat/app/models/EveEveRefTypes.php:10
Update INSTALL_Centos.md

Update docs and add tutorial link
Merge pull request #32 from gregoryduckworth/patch-1

Update to EveEveRefTypes model to combat error
Start a ubuntu INSTALL doc
Add automatic SDE updater script for Debian

Previous SDE updater doesn't work with Debian. This version works with
Debian and attempts to make the process of importing SQL files easier as
well.
Update INSTALL_Ubuntu.md

Add link to demo install
Update SDE updater with flag and database check

Implemented a check in the SDE updater which checks for valid database
connections and add an option for users to not have it attempt to
automatically import the SQL files.
Fix the prompt on SDE updater

Yes/no prompt wasn't working, this commit updates it to fix that.
Add contract view in character and fix assigneeID missing in character and corporation contracts DB. Fix the miss loops for querying the item in contracts for corp ans character
Add few comment on view
Merge pull request #34 from StephenSwat/dev

Add automatic SDE updater script for Debian
Add a small count of the number of banned API calls for a key
Add a helper function generateEveImage(id, size) to check if ID is char/corp/ally. Fix the nullable filed in eveapi/character/characterContracts. Same on corporation. Improve contract view
Allow for API call bans to be removed
Merge pull request #37 from Cripsii/add_contract

Add contract view for character
Add check to ensure that assignee is set

This allows for contracts that were pulled prior to the addition of
the assigneeID field in the model to be viewed correctly
Formatting and language fixes & Swap courier/item echange contract positions
Add a corporation contracts view
Added ability to delete queued jobs

Added "x" and also ajax to delete job
Added getDeleteQueuedJob

Added the function to delete an item from the queued jobs