Outdated dependencies should be updated

[gabmontes]

• secp256k1 is configured to 3.5.0 which is the latest version. However the underlying libsecp256k1 is commit 84973d3 after which there are 64 commits.
• browserify-aes is configured to 1.1.1. There is a security fix in 1.2.0.
• createHash is version 1.1.3, there are some fixes in master.
• hdkey is configured to version 0.7.1. 0.8 was recently published.
• aes-js is configured to version 0.2.4. There are a few versions released after this one.

[gabmontes]

└─┬ [email protected]
  ├── [email protected] <<<
  └─┬ [email protected]
    ├── [email protected] <<<
    └─┬ [email protected]
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└─┬ [email protected]
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    ├── [email protected] <<<
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      │ └── [email protected] <<<
      └── [email protected] <<<

└─┬ [email protected]
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  └─┬ [email protected] <<<
    ├─┬ [email protected]
    │ └── [email protected] <<<
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└─┬ [email protected]
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        │ └── [email protected] <<<
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        │   ├── [email protected] <<<
        │   └── [email protected] <<<
        ├── [email protected] <<<
        └─┬ [email protected]
          └── [email protected] <<<

[ianaya89]

@gabmontes browserify-aes was updated. The others are deps of deps, so we don't have control to update that. I can try making some PR's to original repos