Splits a batched SQL string into separate statements for SQLServerCE

SQLServerCE can not handled batched SQL statements, which makes it
difficult to use SQL scripts in a migration. This commit is a naive
implementation that works in some cases.
Merge branch 'master' into pr366

Conflicts:
	src/FluentMigrator.Runner/Processors/SqlServer/SqlServerCeProcessor.cs
3 tests for #366

Tests executing multiple statements for SqlServerCE
Merge pull request #366 from redsolo/master