0.29.0

• Add command for all declarations in known projects: #117.
• cache ProjectResponse, invalidate it if project file's last write time changed: #116.
• Add command to parse all known projects: #115.
• Merge Ionide changes (#110):
  • Naive support for project.json (this probably will be dropped in futture but let's have it now)
  • Better (file) paths normalization across different features
  • Resolve scripts to latest .Net on Windows
  • Make completion faster on Suave
  • Depend on F# 4 (FSharp.Core deployed with application) instead of 4.3.1
• Fix Symboluseproject: #104.