Resolve "Sync from kurisu"

Closes #33 (closed)

Todo list:

• rescan [URI]
• update [URI]
• password from lkt
• available feature for the table kara
• mthread update -> detach threads
• use mthread to download

added Feature label

changed the description

added 1 commit

• ef7bfc0f - Adding kill command to lkt

Compare with previous version

marked the checklist item password from lkt as completed

added 1 commit

• 455410b7 - Define update and rescan commands from the mpd standard

Compare with previous version

added 1 commit

• d2baac92 - Only select kara that are available for next and prev, also don't permit

Compare with previous version

marked the checklist item available feature for the table kara as completed

added 1 commit

• c4af8908 - Rescan and update commands in lkt

Compare with previous version

added 2 commits

• edb2946f - Set everything to be able to update/rescan from kurisu
• 8e4a502e - Drop the leading '_t' in the struct lkt_uri

Compare with previous version

added 1 commit

• da2ba2f3 - Discard static global variables

Compare with previous version

added 27 commits

• da2ba2f3...687b23c9 - 26 commits from branch master
• 4bcfca5a - Merge branch 'master' into sync

Compare with previous version

added 1 commit

• 294b72af - Ignore some MPV events

Compare with previous version

changed the description

added 1 commit

• e18801c9 - Update modules for multithread use

Compare with previous version

added 1 commit

• 4a103cf1 - Update modules for multithread use

Compare with previous version

added 1 commit

• 34c76e9e - Update lkt_state to use volatile structures where needed

Compare with previous version

added 1 commit

• 66712ffe - Macro for unused arguments

Compare with previous version

added 1 commit

• 7ea63498 - Name replace for poller threads

Compare with previous version

added 1 commit

• 114e5c82 - More atomic queries (because of multithreading)

Compare with previous version