switch caffeine caches to use expireAfterWrite instead of expireAfterAccess (which doesn't expire under constant load)

[nhartner]

fix /accounts REST api to handle accountIds with "."

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@b74a2dc). Click here to learn what that means.
The diff coverage is 90%.

@@            Coverage Diff            @@
##             master     #606   +/-   ##
=========================================
  Coverage          ?   65.37%           
  Complexity        ?     1105           
=========================================
  Files             ?      289           
  Lines             ?     5623           
  Branches          ?      218           
=========================================
  Hits              ?     3676           
  Misses            ?     1850           
  Partials          ?       97

Impacted Files	Coverage Δ	Complexity Δ
...persistence/config/ConnectorPersistenceConfig.java	100% <ø> (ø)	1 <0> (?)
...ence/config/EncryptedDatasourcePasswordConfig.java	90% <90%> (ø)	5 <5> (?)

---

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 b74a2dc...e940225. Read the comment docs.

[codecov]

Codecov Report

Merging #606 into master will increase coverage by 0.03%.
The diff coverage is 66.66%.

@@             Coverage Diff              @@
##             master     #606      +/-   ##
============================================
+ Coverage     65.37%   65.41%   +0.03%     
- Complexity     1105     1110       +5     
============================================
  Files           289      289              
  Lines          5623     5655      +32     
  Branches        218      221       +3     
============================================
+ Hits           3676     3699      +23     
- Misses         1850     1857       +7     
- Partials         97       99       +2

Impacted Files	Coverage Δ	Complexity Δ
...nnector/packetswitch/DefaultILPv4PacketSwitch.java	91.66% <ø> (ø)	4 <0> (ø)	⬇️
...er/connector/links/DefaultNextHopPacketMapper.java	81.18% <ø> (ø)	11 <0> (ø)	⬇️
...a/org/interledger/connector/fx/JavaMoneyUtils.java	100% <ø> (ø)	3 <0> (ø)	⬇️
...ector/packetswitch/filters/ExpiryPacketFilter.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...onnector/links/filters/DefaultLinkFilterChain.java	65.78% <59.37%> (-16.03%)	6 <2> (+3)
...switch/filters/DefaultPacketSwitchFilterChain.java	87.5% <82.85%> (-2.25%)	7 <4> (+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 e940225...fd5f2d2. Read the comment docs.