use ApplicationContextInitializer instead of SpringApplicationRunListener for better compatibility

[nobodyiam]

No description provided.

[nobodyiam]

修复 #937 中由于implements了Spring Boot的接口SpringApplicationRunListener，从而导致Spring Boot版本升级后报错的问题。

[codecov-io]

Codecov Report

Merging #978 into master will decrease coverage by 5.02%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #978      +/-   ##
============================================
- Coverage      53.3%   48.27%   -5.03%     
- Complexity      922     1647     +725     
============================================
  Files           183      360     +177     
  Lines          5228    10054    +4826     
  Branches        520     1012     +492     
============================================
+ Hits           2787     4854    +2067     
- Misses         2227     4844    +2617     
- Partials        214      356     +142

Impacted Files	Coverage Δ	Complexity Δ
...ring/boot/ApolloApplicationContextInitializer.java	91.3% <100%> (ø)	5 <2> (?)
...work/apollo/biz/message/DatabaseMessageSender.java	56.25% <0%> (-10.42%)	6% <0%> (-2%)
...work/apollo/portal/spi/ctrip/CtripUserService.java	92.47% <0%> (ø)	9% <0%> (?)
.../apollo/portal/service/PortalDBPropertySource.java	29.41% <0%> (ø)	3% <0%> (?)
...mework/apollo/portal/controller/EnvController.java	50% <0%> (ø)	1% <0%> (?)
.../ctrip/framework/apollo/portal/util/RoleUtils.java	54.54% <0%> (ø)	6% <0%> (?)
...ip/framework/apollo/portal/entity/vo/LockInfo.java	0% <0%> (ø)	0% <0%> (?)
...ollo/metaservice/controller/ServiceController.java	3.57% <0%> (ø)	1% <0%> (?)
...service/service/config/ConfigServiceWithCache.java	76.47% <0%> (ø)	8% <0%> (?)
...llo/portal/spi/ctrip/CtripSsoHeartbeatHandler.java	0% <0%> (ø)	0% <0%> (?)
... and 170 more

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