Respect config.ssh.insert_key

[akitada]

Skip generating a keypair when config.ssh.insert_key is false.

• Update README.md
• Allow config.ssh.private_key_path only configuration (without keypair_name or public_key_path)
• Add tests

[coveralls]

Coverage decreased (-0.1%) to 87.483% when pulling 1206c16 on akitada:respect-insert-key into 34cb4cb on ggiamarchi:master.

[coveralls]

Coverage increased (+0.02%) to 87.617% when pulling 47887c9 on akitada:respect-insert-key into 34cb4cb on ggiamarchi:master.

[coveralls]

Coverage increased (+0.02%) to 87.617% when pulling f133db6 on akitada:respect-insert-key into 34cb4cb on ggiamarchi:master.

[coveralls]

Coverage increased (+0.02%) to 87.617% when pulling 3959594 on akitada:respect-insert-key into 34cb4cb on ggiamarchi:master.

[akitada]

@ggiamarchi @julienvey
This patch completes #54. I would appreciate your review.

[coveralls]

Coverage decreased (-0.5%) to 87.094% when pulling 76558bb on akitada:respect-insert-key into 34cb4cb on ggiamarchi:master.

[coveralls]

Coverage decreased (-0.3%) to 87.272% when pulling 6d43d9f on akitada:respect-insert-key into 34cb4cb on ggiamarchi:master.

[coveralls]

Coverage increased (+0.03%) to 87.628% when pulling 7a73359 on akitada:respect-insert-key into 34cb4cb on ggiamarchi:master.

[coveralls]

Coverage increased (+0.03%) to 87.628% when pulling e4709cf on akitada:respect-insert-key into 34cb4cb on ggiamarchi:master.

[coveralls]

Coverage decreased (-0.7%) to 86.356% when pulling e0543b1 on akitada:respect-insert-key into 2978da1 on ggiamarchi:master.

[coveralls]

Coverage decreased (-0.7%) to 86.356% when pulling c778e08 on akitada:respect-insert-key into 2978da1 on ggiamarchi:master.

[coveralls]

Coverage increased (+0.03%) to 87.06% when pulling e4fa083 on akitada:respect-insert-key into 2978da1 on ggiamarchi:master.

[coveralls]

Coverage decreased (-0.02%) to 87.016% when pulling 692b845 on akitada:respect-insert-key into 2978da1 on ggiamarchi:master.

[coveralls]

Coverage increased (+0.03%) to 87.06% when pulling 692b845 on akitada:respect-insert-key into 2978da1 on ggiamarchi:master.

[coveralls]

Coverage increased (+0.03%) to 87.06% when pulling 692b845 on akitada:respect-insert-key into 2978da1 on ggiamarchi:master.

[coveralls]

Coverage increased (+0.03%) to 87.06% when pulling 692b845 on akitada:respect-insert-key into 2978da1 on ggiamarchi:master.

[coveralls]

Coverage increased (+0.03%) to 87.06% when pulling 09e04f3 on akitada:respect-insert-key into 2978da1 on ggiamarchi:master.

[akitada]

Sorry for noise. The patch is ready for review this time.

[ggiamarchi]

@akitada No problem at all! At a first sight, it looks to be a good job. I'll test and review soon.

[ggiamarchi]

@akitada Good one!