Fix bug in LexemModel code
Merge pull request #350 from sandriu/master

Uniform box-shadow attributes for all elements
Update schemas of old LOC databases to match the current schema. Remove code that became unnecessary.
Delete paradigm templates for old LOC versions. Move the 6.0 (current) templates one level up.
Merge pull request #351 from sandriu/master

Update social icons on homepage and WOTD page
avoid horizontal scrollbar on Abrevieri page
Fix smarty errors
Deleting lexem models is conditioned on LOC membership. Allow merging lexems of any model
When merging lexems, migrate LexemModels. Fixes #352
Better error message for hidden definitions. Fixes #336.
Delete old field Definition.displayed
Remove more instances of the old Definition.displayed field.
Convert SimpleDiff to a class.
Use diffs to find the closest similar definition (useful for homonyms).
Search for similar definitions using all associated lexems.
Addresses #337.
First draft of the similar checkbox evaluation tool.
Addresses #337.
Fix JS typo
Merge branch 'master' of https://github.com/CatalinFrancu/dexonline
Reduce the number of queries in full-text searches
Avoid approximate searches for garbled queries
Full text search: remove CSS from PHP file. Optimize speed.
Fix authentication bugs due to switching to Smarty 3.