Commit324efc0

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Removed requirements wal_log_hints = on for pg_arman work.

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`@@ -102,7 +102,6 @@ You need to enable WAL archive by adding following lines to postgresql.conf:`
`102`	`102`	```
`103`	`103`	`wal_level = archive`
`104`	`104`	`archive_command = 'test ! -f /home/postgres/backup/arman/wal/%f && cp %p /home/postgres/backup/arman/wal/%f'`
`105`		`-wal_log_hints = on`
`106`	`105`	```
`107`	`106`
`108`	`107`	`Example backup (assuming PostgreSQL is running):`

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`@@ -389,8 +389,6 @@ are required if the value contains whitespaces. Comments should start with`
`389`	`389`	`excluding values.`
`390`	`390`
`391`	`391`	`###RESTRICTIONS`
`392`		`-* In order to work, the PostgreSQL instance on which backups are taken need`
`393`		`-to have data checksums enabled or to enable wal_log_hints.`
`394`	`392`	`* pg_arman is aimed at working with PostgreSQL 9.5 and newer versions.`
`395`	`393`	`* For ptrack feature you need special version of Postgres and set wal_level to`
`396`	`394`	`archive or hot_standby and ptrack_enable.`

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`@@ -70,7 +70,7 @@ function init_backup()`
`70`	`70`	`port =${TEST_PGPORT}`
`71`	`71`	`logging_collector = on`
`72`	`72`	`wal_level = hot_standby`
`73`		`-wal_log_hints =on`
	`73`	`+wal_log_hints =off`
`74`	`74`	`archive_mode = on`
`75`	`75`	`archive_command = 'cp %p${ARCLOG_PATH}/%f'`
`76`	`76`	`ptrack_enable = on`

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`@@ -84,15 +84,6 @@ sanityChecks(void)`
`84`	`84`	`digestControlFile(&ControlFile,buffer,size);`
`85`	`85`	`pg_free(buffer);`
`86`	`86`
`87`		`-/*`
`88`		`- * Node work is done on need to use checksums or hint bit wal-logging`
`89`		`- * this to prevent from data corruption that could occur because of`
`90`		`- * hint bits.`
`91`		`- */`
`92`		`-if (ControlFile.data_checksum_version!=PG_DATA_CHECKSUM_VERSION&&`
`93`		`-!ControlFile.wal_log_hints)`
`94`		`-elog(ERROR,`
`95`		`-"target master need to use either data checksums or \"wal_log_hints = on\".");`
`96`	`87`	`}`
`97`	`88`
`98`	`89`	`XLogRecPtr`

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