added properties after, first
set list of columns to final
created class AddColumnConfig to hold the position the column should be
added
added add before column
Retry loading resource if it starts with a slash

Resource names starting with a slash indicate that people
are confused about how Liquibase loads included files, and
that's ok - they shouldn't have to think about it. In case
files are written with a slash, this patch retries the
load without the leading slash.
Fix typo in dialog box for nonlocal database
CORE-898 - fixing missing xdd entries to allow extensions on preconditions in xml. CORE-898 was wrongly closed, it was not fixed
refs CORE-1171
Hide password in verbose logs.
CORE-1320 Cannot include YAML file
CORE-1320 Cannot include in a YAML file
Removed experimental .net support until it can be kept up to date
Fixed documentation and example issues with <sql>
Removed old samples intellij config files
Fixed failing tests
Moved building docs to the website
Fixed problem where maven was using a different root for running the VerifyTests
Error messages in YamlChangeLogParser now respect subclasses like JsonChangeLogParser. Added missing test files causing Json tests to fail
Introduced new liquibase.Context class to manage sets of contexts instead of passing along Strings or Sets or Lists or Arrays.

Created tests for liquibase.Liquibase class
Removed liquibase.Context code that had snuck in from 3.1.x
Merge branch '3.0.x' into next