Changed the composer constraint to allow Common 2.5
Merge pull request #684 from stof/patch-1

Changed the composer constraint to allow Common 2.5
add test for explicit positional parameter keys
Merge pull request #686 from deeky666/additional-test-sqlparserutil

Add test for explicit positional parameter keys in SQLParserUtils
Fixed expanding positional parameters which do not start from 0
fix NULL / NOT NULL clause for column alterations in Oracle
Merge pull request #681 from hason/utils

Fixed expanding positional parameters which do not start from 0
Fixing default timezone for tests, as travis keeps failing due to travis-ci/travis-ci#2523
fix renaming column with default value on SQL Server
fix column comments containing string literal chars on SQL Server
Merge pull request #694 from deeky666/DBAL-1011

[DBAL-1011] Fix column comments containing string literal chars on SQL Server
Merge pull request #693 from deeky666/DBAL-1010

[DBAL-1010] Fix renaming column with default value on SQL Server
Add missing quotes at the end of literal strings
Merge pull request #695 from fabschurt/fix-doc-typo

[Documentation] Add missing quotes at the end of literal strings
fix column comment lifecycle
normalize asset names consistently
fix explicit case sensitive identifiers in Oracle
revert identity sequence naming strategy on Oracle to keep BC
use identity sequence name for generating SQL to drop an autoincrement from a column
fix table diff's new name if it is not set