Add .whitesource configuration file #30

Job	Run time
x86_64-gnu-test-preview_mt	5m 53s
x86_64-musl-test	39m 31s
x86_64-gnu-test (1.0.0, FLAGS=-Dwithout_ffi USE_PCRE1=true)	33m 4s
x86_64-gnu-test (1.7.3)	33m 57s
x86_64-gnu-test (1.8.2)	31m 55s
check_format	1m 46s
x86_64-gnu-test (1.1.1, FLAGS=-Dwithout_ffi USE_PCRE1=true)	34m 23s
x86_64-gnu-test (1.9.2)	32m 57s
x86_64-gnu-test (1.2.2, USE_PCRE1=true)	37m 22s
x86_64-gnu-test (1.10.1)	33m 31s
x86_64-gnu-test (1.11.2)	34m 10s
x86_64-gnu-test (1.3.2, USE_PCRE1=true)	36m 4s
x86_64-gnu-test (1.6.2, USE_PCRE1=true)	31m 57s
x86_64-gnu-test (1.5.1, USE_PCRE1=true)	32m 57s
deploy_api_docs	0s
x86_64-gnu-test (1.4.1, USE_PCRE1=true)	37m 40s
	7h 37m 7s

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