* develop-ascraeus: (30 commits)
[ticket/12732] Update schema.json for Skype
[ticket/12729] Add functional test for Facebook field
[ticket/12731] Add functional test for youtube field
[ticket/12732] Add functional test for Skype profile field
[ticket/12733] Add functional test for twitter profile field
[ticket/12730] Values needn't be escaped for schema_data.sql
[ticket/12733] Values needn't be escaped for schema_data.sql
[ticket/12732] Values shouldn't be escaped for schema_data.sql
[ticket/12731] Set field_active to 1 for YouTube field
[ticket/12731] Add YouTube custom profile field
[ticket/12733] Set field_active to 1 for Twitter
[ticket/12733] Convert spaces to tabs
[ticket/12733] Fix spacing for block header in profilefield_twitter.php
[ticket/12733] Update schema.json
[ticket/12733] Add Twitter custom profile field
[ticket/12732] Set field_active to 1 for Skype's field
[ticket/12729] Set field_active as 1 for Facebook profile field
[ticket/12729] Add unit test for ALPHA_DOTS validation
[ticket/12729] Move ALPHA_DOTS to above ALPHA_SPACERS
[ticket/12729] Convert spaces to tabs
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