* Added missing Spanish translations strings

* fix bad translation

* resolve conflict with tootsuite/master

* agreements from spanish community

* Add some missing strings

The "settings" links in the Getting Started section (or, if #399 were to happen, "more" menu) and compose sections are now different; the "compose" link is "Edit profile," while the one in the Getting Started section is now "Preferences."

All languages have been updated to accommodate this, based on the existing usages of these phrases in language files in the Rails part of the app!

addresses part of #384

Fix #233, fix #268