Release 0.1.2

ae7e744 Merge pull request #64 from deepikabhavnani/master
63b45dc Merge pull request #57 from ARMmbed/g-trim
790d207 Updated Version and included block device test
7a67bc5 Incremented dependency to 5.6.1
c29add2 Merge pull request #63 from ARMmbed/g-fix-travis-1
f32cad9 Fix .travis.yml requirements install
1cb007f Merge pull request #61 from deepikabhavnani/sd_diff_cards
c46d077 Deselecting card between read/write ops caused issues
9edd43d Merge pull request #60 from ARMmbed/g-fix-travis
685e971 Fix .travis.yml requirements install
49262a3 Merge pull request #58 from deepikabhavnani/sd_cmd12
9439243 Merge pull request #59 from deepikabhavnani/big_buf_issue
6c6a594 Force D0 enabled during device select
d4d1d87 Should not wait for card to be ready when sending stop command
69f3902 Remove erase in favor of trim
1d3fa9d Merge pull request #55 from ARMmbed/g-softer-erase
6b10f28 Merge pull request #56 from soramame21/master
2f6b8ea Merge pull request #54 from bentcooke/HEXIWEAR-add
d5671e2 Merge pull request #48 from ARMmbed/cmd41_init_issue
cbc1804 Add SD card reader support on DISCO_L476VG platform.
fd4cd6a increased test timeout to fix failing test due to slow sd card
bab6699 Changed erase to just noop if erases are too small for erase command
e77f0ee add support for SD card holder on HEXIWEAR base board.
0ac12a0 Merge pull request #49 from LemonBoy/erase_size
705462d Correct calculation of the erase sector size
c7347c9 Merge pull request #50 from LemonBoy/sdcard-init-seq
48c1b7e Merge pull request #42 from ARMmbed/test
2a1c923 Merge pull request #53 from deepikabhavnani/dummy_read
521e7ae Added support for Travis CI
52f5e0d Make the initialization sequence more flexible
1a02b05 Fixed SD card intialization failure
a144556 Checking for version, for OS master support