added tests for the same column name in multiple tables; fixes #85 and fixes #81
tests for correct prepared statements quoting (integer, boolean, ...); fixed #82
removed commented out code
unifying travis with vagrant + fixing vagrant
added unsupported boolean for Firebird, DB2 and SQLite
tests for re-running logged SQLs
hsqldb updated from 2.3.0 to 2.3.1
updates in tests of the same named columns in 2 tables
skipping Derby failing test
fixing comments on date format (as it is in use)
Merge pull request #148 from p6spy/pb_unstable

bunch of low hanging fruits
databaseDialectDateFormat - added to sample config + documented
removed spy.properties.template file
reintroducing module "com.p6spy.engine.logging.P6LogFactory" in default config file
Merge pull request #151 from p6spy/pb_unstable

documented databaseDialectDateFormat + removed spy.properties.template
introducing "-Ddb2.jcc.override.traceLevel=0" to disable DB2 traces
Merge pull request #152 from p6spy/pb_unstable

introducing "-Ddb2.jcc.override.traceLevel=0" to disable DB2 traces
Merge remote-tracking branch 'upstream/master' into test_cleanup

Conflicts:
	src/test/java/com/p6spy/engine/spy/P6TestPreparedStatement.java
	src/test/java/com/p6spy/engine/spy/P6TestUtil.java
docs updates; fixed #120
Merge pull request #154 from p6spy/pb_unstable

docs updates; fixed #120