using paginated version of insight-api addrs/txs
Merge pull request #1849 from isocolsky/history_pagination

using paginated version of insight-api addrs/txs
grammar improvement

"Existing" is preferable to "existent" in this context
fix generation of Android and iOS packages. The purpose is testing.
Merge pull request #1851 from heisler3030/spelling

grammar improvement
Merge pull request #1852 from cmgustavo/bug/mobile-with-cordova

fix generation of Android and iOS packages
fixed small bug in getPendingTxProposals
added wallet arg to updateTxs
fixed small issue in history.html markup
Merge pull request #1856 from isocolsky/ref/update_txs

Various small fixes
Added the flag backupNeeded