[REL] v3.0.0-alpha.26

v3.0.0-alpha.26

• [REF] tests: remove some skipped tests, unskip a test
• [REF] remove dead code
• [FIX] compiler: properly handle some expressions
• [IMP] compiler: generate unique name for xml templates
• [PERF] rendering: fast path for update component without onwillupdateprops
• [IMP] components: make initial component sync if possible
• [IMP] runtime: improve call stack
• [DOC] tools: add readme.md
• [IMP] component: add concurrency tests