Fix a bug when the group param is a field that got delete (does not exists)
Changed the error message in order to be more clear
If you attempt to reset a password without first providing Symphony with mailing information, correctly capture and show the error
Fix upload field export

Make sure that the function does what it says: If I use the export mode `getFilename`, it should return the filename and not the filepath. If the filepath is needed, the mode needs a different name.

This is important for fields like SBL using the export to fetch the related field's values.
Merge pull request #1805 from nilshoerrmann/integration

Fix File Upload Exportable interface
Add fallback page for when mod_rewrite is not available. RE: #1808
Merge branch 'integration' of github.com:symphonycms/symphony-2 into integration
Merge branch 'ds-group-bug' of github.com:DeuxHuitHuit/symphony-2 into DeuxHuitHuit-ds-group-bug
Validate table prefix on install. Closes #1815
Add defensive coding check to 2.3 migration for entry order field
Bump the security of forgot password token, better protection of brute force attacks
Redirect to the Author's profile when the retrieve their password. RE: #1801
Sanitize key's for url parameters. Fixes #1816
Tracking updated SBL
Release 2.3.4beta1
Add jQuery source map. Closes #1818
Use Lang::createHandle to ensure that LOTE values are handled as expected. Fixes a regression since 2.2.5. Closes #1819
Change the DSE parameter suggestions to not handlise parameters. Parameters will already be valid QName's. Closes #1817
PECL function available for PHP 5.2 throws an error with the provided argument.
Added fallback for header_remove in PHP 5.2