Release 2.0.0

• pre release (2f90b4b)
• fix setup (0933bce)
• upgrade dev environment (8a130dc)
• prepare custom scope (55aeb11)
• transpile to es5 using babel (eef07e7)
• update dist (475fd30)
• fix tests (d7836e2)
• fix test setup (a592480)
• remove included library (efd7aa3)
• fix global variable (f0176fc)
• optimize scripts (cd20c57)
• resolve inner references (021ab15)
• change build system to rollup (28a8472)
• create index files (e091190)
• start converting to es6 modules (3a66de9)
• Fix a typo in kde.js example (06e9367)