import: lazily import dns and git to make iocage faster

[Defenso-QTH]

Close #97

[coveralls]

Pull Request Test Coverage Report for Build 20091029100

Details

• 0 of 4 (0.0%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.03%) to 7.683%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
iocage_lib/ioc_create.py	0	2	0.0%
iocage_lib/ioc_plugin.py	0	2	0.0%

Files with Coverage Reduction	New Missed Lines	%
iocage_lib/ioc_plugin.py	1	9.02%

Totals
Change from base Build 19969328949:	-0.03%
Covered Lines:	793
Relevant Lines:	7836

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 20091029100

Details

• 0 of 4 (0.0%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.03%) to 7.683%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
iocage_lib/ioc_create.py	0	2	0.0%
iocage_lib/ioc_plugin.py	0	2	0.0%

Files with Coverage Reduction	New Missed Lines	%
iocage_lib/ioc_plugin.py	1	9.02%

Totals
Change from base Build 19969328949:	-0.03%
Covered Lines:	793
Relevant Lines:	7836

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 20091029100

Details

• 0 of 4 (0.0%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.03%) to 7.683%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
iocage_lib/ioc_create.py	0	2	0.0%
iocage_lib/ioc_plugin.py	0	2	0.0%

Files with Coverage Reduction	New Missed Lines	%
iocage_lib/ioc_plugin.py	1	9.02%

Totals
Change from base Build 19969328949:	-0.03%
Covered Lines:	793
Relevant Lines:	7836

---

💛 - Coveralls