Send PR to update dependent libraries to cursive-core 0.2

[gyscos]

Because it'd be a nice thing to do.

• [x] cursive-multiplex
• [x] cursive-tabs
• [x] cursive_buffered_backend
• [x] cursive-async-view
• [x] cursive-aligned-view
• [x] cursive-flexi-logger-view
• [x] cursive_table_view
• [x] cursive_tree_view
• [x] cursive_calendar_view
• [x] fui
• [x] askii
• [x] ncspot
• [x] dijo
• [x] so
• [x] grin
• [x] herkulex_manager
• [ ] complate (currently depends on fui, stuck on cursive 0.11)
• [ ] saltyrtc-client-rs (currently using rust_sodium, stuck on lazy_static 1.2.0).

[gyscos]

That time of the year again, this time for cursive-core 0.3

• [x] cursive-multiplex: https://github.com/deinstapel/cursive-multiplex/pull/10
• [x] cursive-tabs: https://github.com/deinstapel/cursive-tabs/pull/17
• [x] ~cursive_buffered_backend~ (already updated)
• [x] cursive-async-view: https://github.com/deinstapel/cursive-async-view/pull/10
• [x] cursive-aligned-view: https://github.com/deinstapel/cursive-aligned-view/pull/8
• [x] cursive-flexi-logger-view: https://github.com/deinstapel/cursive-flexi-logger-view/pull/10
• [x] cursive_table_view
• [x] cursive_tree_view
• [x] cursive_calendar_view
• [x] cursive-markup: sent patchset from https://git.sr.ht/~gyscos/cursive-markup-rs
• [x] cursive_hexview: https://github.com/hellow554/cursive_hexview/pull/11
• [x] fui: https://github.com/xliiv/fui/pull/131
• [x] askii: https://github.com/nytopop/askii/pull/5
• [x] ~ncspot~ (already updated)
• [x] dijo: https://github.com/nerdypepper/dijo/pull/141
• [x] so: https://github.com/samtay/so/pull/18
• [x] grin: https://github.com/mimblewimble/grin/pull/3687
• [x] ~herkulex_manager~ (repo offline)
• [ ] complate (currently depends on fui)
• [x] saltyrtc-client-rs: https://github.com/saltyrtc/saltyrtc-client-rs/pull/76
• [x] cursive-spinner-view: https://github.com/otov4its/cursive-spinner-view/pull/1
• [ ] RustyChat
• [ ] clock-cli-rs
• [ ] git-branchless
• [ ] kakikun
• [ ] launchk
• [ ] mythra
• [ ] rbmenu-tui
• [ ] ripasso
• [ ] rusty-man (depends on cursive-markup)
• [ ] saci-rs
• [ ] sudoku-tui
• [ ] wiki-tui