* develop: (335 commits)
[ticket/10575] Adding public visibility to the methods.
[ticket/10575] Fixing non-static access to static functions get_instance
[ticket/10547] User is not logged in as admin after installation
[ticket/10650] Revert merge of 'rahulr92/ticket/10650' into develop
[ticket/10650] Added checking for empty subjects
[ticket/10650] Corrected intendation
[ticket/10650]Added permission checking and utf8 functions
[ticket/10650] Cropped subject and inserted newline
[ticket/10650] Corrected space before true
[ticket/10650] Changed language files and forumlist
[ticket/10650] Added static sql files
[ticket/10650] Displaying last topic on forum list
[ticket/10760] Fix numbering in php fun facts.
[ticket/10760] Value must be quoted as it might be two words.
[ticket/10760] PHP is great. This commit is the proof.
[ticket/10760] Catch both versions of parse error output in php.
[ticket/10607] Added 'Powered by' translation string.
[ticket/10760] Account for display_errors=stderr in pre-commit hook.
[ticket/10760] Quote PHP_BIN when using it.
[ticket/10760] Use echo -e only if echo understands -e.
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