Update README.md
Commented methods in DataBaseHandler, added transactions to improve performance

/src/org/osuosl/ocw/DataBaseHandler.java: Commented methods, all database work is performed inside a transaction to improve performance.
Events with no speakers null pointer fix, speakers in memory hash map fix.

/src/org/osuosl/ocw/DataBaseHandler.java: Fixed null pointer when an event with no speakers is updated.

/src/org/osuosl/ocw/Schedule.java: Moved adding speakers to the hash map to after they have had all their values assigned.
New .apk with recent changes

/ocw-android.apk: Updated to latest version.
Removed osbridge icon in bio view

/res/layout/eventdetail.xml; Commented out loading of osbridge logo on bio view
Moved query to final string

/src/org/osuosl/ocw/DataBaseHandler.java: Moved the query from getting a schedule row to a final string to improve performance.