add lightweight option for GSH

The profile has only Grouper base and util imports, not built in commands. If a file is passed to GrouperShell, that will be used in profile.

This saves about 1.5 seconds

Pass this to GrouperShell

-lightWeightProfile

PS C:\git\grouper_prod\grouper> Measure-Command

{ java -cp 'target\classes;target\dependency\*' edu.internet2.middleware.grouper.app.gsh.GrouperShell simple.gsh }

2020-11-25 14:43:00,746: [main] WARN GrouperVersion.grouperVersion(123) - - Can't find version of grouper jar, using 2.5.0
2020-11-25 14:43:00,750: [main] WARN GrouperStartup.printConfigOnce(239) - - Grouper starting up: version: 2.5.0, build date: null, env: <no label configured>
2020-11-25 14:43:04,220: [main] WARN GrouperDdlEngine.updateDdlIfNeededWithStaticSql(752) - - Grouper ddl object type 'Grouper' has dbVersion: 35 (2.5.38) and java version: 35 (2.5.38)
2020-11-25 14:43:04,220: [main] WARN GrouperDdlEngine.updateDdlIfNeededWithStaticSql(752) - - Grouper ddl object type 'Subject' has dbVersion: 1 (1.4.0) and java version: 1 (1.4.0)

Days : 0
Hours : 0
Minutes : 0
Seconds : 9
Milliseconds : 887
Ticks : 98870873
TotalDays : 0.000114433880787037
TotalHours : 0.00274641313888889
TotalMinutes : 0.164784788333333
TotalSeconds : 9.8870873
TotalMilliseconds : 9887.0873

PS C:\git\grouper_prod\grouper> Measure-Command

{ java -cp 'target\classes;target\dependency\*' edu.internet2.middleware.grouper.app.gsh.GrouperShell -lightWeightProfile simple.gsh }

2020-11-25 14:43:18,195: [main] WARN GrouperVersion.grouperVersion(123) - - Can't find version of grouper jar, using 2.5.0
2020-11-25 14:43:18,199: [main] WARN GrouperStartup.printConfigOnce(239) - - Grouper starting up: version: 2.5.0, build date: null, env: <no label configured>
2020-11-25 14:43:21,661: [main] WARN GrouperDdlEngine.updateDdlIfNeededWithStaticSql(752) - - Grouper ddl object type 'Grouper' has dbVersion: 35 (2.5.38) and java version: 35 (2.5.38)
2020-11-25 14:43:21,662: [main] WARN GrouperDdlEngine.updateDdlIfNeededWithStaticSql(752) - - Grouper ddl object type 'Subject' has dbVersion: 1 (1.4.0) and java version: 1 (1.4.0)

Days : 0
Hours : 0
Minutes : 0
Seconds : 8
Milliseconds : 440
Ticks : 84405352
TotalDays : 9.76913796296296E-05
TotalHours : 0.00234459311111111
TotalMinutes : 0.140675586666667
TotalSeconds : 8.4405352
TotalMilliseconds : 8440.5352