[ISSUE #1308] Fix some spelling errors of method names.

[guoxiangCN]

What is the purpose of the change

#1308
Fix some spelling errors of method names in file named 'UtilAll.java'

These changes seem trivial, but it's an international project and I think the right naming helps other developers understand it.

Brief changelog

the UtilAll.computeEclipseTimeMilliseconds was modified to UtilAll.computeElapsedTimeMilliseconds
(I think this method is to calculate the elapsed time by giving the start time.)

'computNextMorningTimeMillis' was modified to 'computeNextMorningTimeMillis '

'computNextHourTimeMillis' was modified to 'computeNextHourTimeMillis '

'computNextMinutesTimeMillis' was modified to 'computeNextMinutesTimeMillis '

'computNextHalfHourTimeMillis' was modified to 'computeNextHalfHourTimeMillis '

Verifying this change

Nothing.

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[coveralls]

Coverage increased (+0.03%) to 50.49% when pulling 4ff5462 on kinoko1996:develop into d66243c on apache:develop.

[guoxiangCN]

@zongtanghu hi ！Could u help me with this PR in your busy schedule ?

[ShannonDing]

LGTM

[liuruiyiyang]

@kinoko1996
If you could rename the computPullFromWhichFilterServer method in PullAPIWrapper to computePullFromWhichFilterServer by the way, then all the "comput" misspell will be fixed.
Thank you :)

[guoxiangCN]

@kinoko1996
If you could rename the computPullFromWhichFilterServer method in PullAPIWrapper to computePullFromWhichFilterServer by the way, then all the "comput" misspell will be fixed.
Thank you :)

I'd love to do that. But this PR is merged, and I need to propose an additional Pr to fix it.