Updated readme wording and formatting

Squashed commit of the following:

commit 9ff7a47ff6c71ab8e62ee8caa4dc6b7104418dba
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 21:02:22 2014 -0800

    Manual install instructions as a list

commit 9292fc579b22e50ce33c2fd27011bb86271c27ad
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 20:48:03 2014 -0800

    Changed awkward wording

commit 8c1a576f836ccd5ca55a4fbe680ef19d8026ca42
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 20:35:06 2014 -0800

    Updated broken link

commit d68a14f9a254a72465d10b0a81435d12e0c55430
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 16:39:43 2014 -0800

    Missed a few

commit f91f4a0d557e420575b1925a2b1b330cb4153996
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 16:32:41 2014 -0800

    Use markdown URLs

commit a734f673cd6edb05e87cb8b5079c806040526a95
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 16:24:49 2014 -0800

    Code blocks unsupported in html markdown tables

commit a07f1c21a282e4e1b8cf3124b26e03158cb0dbde
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 16:08:34 2014 -0800

    Minor README wording and formatting changes
Man page/documentation cleanup

Squashed commit of the following:

commit c7245427d4caf40ee469fdf29b49ce0448826949
Merge: c1f229b bc0fddc
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 21:12:24 2014 -0800

    Merge branch 'master' into aw-fix-kill-manpage

commit c1f229bf10d1ded99a3838bbdfc797f93094c25a
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 18:23:48 2014 -0800

    Condense git-town manpage

commit 20bb4bed843b1b56eee8027c2a96af6086caa5cc
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 18:04:29 2014 -0800

    Small fixes

commit ef7fd1361fd5df403e0678e4b8761d2518040b75
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 17:57:42 2014 -0800

    Added missing explanation for git-hack

commit 1ffcf7491dcf181dacf384ad379ba166d1962edb
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 17:51:28 2014 -0800

    Newline

commit 6dc0651a1a8ae84d2a6e9530c15b36d3f58d8fe3
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 17:41:05 2014 -0800

    Missed one

commit eca97d45561974cac96e8058bce579f949384953
Author: Allen Wu <allen.wu@originate.com>
Date:   Fri Dec 12 15:33:21 2014 -0800

    Standardized man "code", minor formatting changes

commit 17e73c017b3105d1285a84861611f2ae565e72b9
Author: Allen Wu <allen.wu@originate.com>
Date:   Wed Dec 10 15:53:42 2014 -0800

    Fixed git kill manpage formatting
fix git-pr documentation
cleanup: file steps/helpers
fix scenario names
Merge branch 'master' into cr-repoMethods

Conflicts:
	man/man1/git-town.1