more flexibale join table alias handling
Merge branch '1.3' of git://github.com/zikula/core into rngdev
fixed string comparison
accept 0 as a non-empty string
Merge pull request #1598 from rgasch/rngdev

This PR was merged into zikula:1.3 branch.

Discussion
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Accept 0 as a non-empty value

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | 
| Refs tickets  | 
| License       | MIT
| Doc PR        |

Commits
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9985de733eb8f6824969a656e2e4305e5e2ca769 more flexibale join table alias handling rgasch
2ef812d5d8ea6c681c138ba5f729d85c04bc42a8 Merge branch '1.3' of git://github.com/zikula/core into rngdev rgasch
720aee618e48835c9f17350eef43cc1d348996b8 fixed string comparison rgasch
5318ab9d4b49d16ad4552400a41d60ac33e88a5b accept 0 as a non-empty string rgasch