Search queries: added new feature - "comment:x"
Moved stuff to /data/

"Stuff" means:

- Config
- Local config
- SQLite db file
- Files
- Thumbnails
- Logs
Markdown: fixed mini-issue mentioned in #66
Markdown: better <br/> placement
Closed #66
Closed #67
Fixed "tag already exists" when only changing case
Mass tag redirection from /tags accepts empty tag

User was already able to enter masstag mode without specifying what they want
to tag with, through "mass tag" tab.
Mass tag: don't show buttons if no tag specified
Mass tag: fixed tag case sensitiveness bug
Search queries: removed case sensitivity
User names: removed case sensitivity
Markdown: fixed some [spoiler] bugs
Search queries: fixed broken order
Fixed hover 1px border bug
Faster tag list
Introducing tag list sort styles

Also, increased margin in /users
Slightly better tabs
Paginator: introducing "..." pseudo-pages

If delta between pages in paginator is greater than 2, it adds "..." inbetween.
If delta is equal to 2, it adds missing page link instead.

Examples:

    1,4,5 gets converted to 1,...,4,5
    1,3,4 gets converted to 1,2,3,4
Search queries: added search by likes/dislikes