Replace RuntimeException with InfluxDBException

[simon04]

Fixes #313.

[majst01]

Looks good, wait for next release with merging.

[codecov-io]

Codecov Report

Merging #323 into master will decrease coverage by 0.46%.
The diff coverage is 52.63%.

@@             Coverage Diff             @@
##             master    #323      +/-   ##
===========================================
- Coverage     79.66%   79.2%   -0.47%     
- Complexity      137     139       +2     
===========================================
  Files            11      13       +2     
  Lines           723     731       +8     
  Branches         78      78              
===========================================
+ Hits            576     579       +3     
- Misses          106     111       +5     
  Partials         41      41

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/org/influxdb/dto/Query.java	57.89% <0%> (ø)	11 <0> (ø)	⬇️
...rc/main/java/org/influxdb/InfluxDBIOException.java	100% <100%> (ø)	1 <1> (?)
src/main/java/org/influxdb/impl/InfluxDBImpl.java	81.25% <40%> (-1.45%)	42 <0> (-1)
src/main/java/org/influxdb/InfluxDBException.java	66.66% <66.66%> (ø)	2 <2> (?)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 935bc28...4961f31. Read the comment docs.

[gnebehay]

nice, thanks!